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Just So Stories, The Crab that Played with the Sea, part 2: Pau Amma loses his shell

Tests: 8 of 17 right · Exam: 1 of 4 right · Kind: ★ · Understood: 17 of 21 · Run: 2026-10-18, commit f3c23ea72

Lesson 91 of the books course of Mova's primary school, as Mova's small model took its tests: it had read this lesson and the ones before it and learned from their exercises. Each test shows the options in the order the student saw them, its choice, the right answer, the score of every option and why it chose. The lesson itself, sentence by sentence with trees and pragmatics: the lesson in the corpora.

Every question of this lesson and each of its options parsed by Mova, with trees and pragmatics: the lesson's questions in the corpora.

Test 1 · ★ · wrong ✗

Jay from Peckham: «the Magician knew where the crab was all along, bruv.» (bruv = mate) Put it right.

  • 1. He learned it from the girl by chance — ← Mova's choice · score 6
  • 2. He found it only after the girl was found — score 6
  • 3. He only knew after the girl described the beast — ✓ the right answer · score 6
  • 4. He knew all along — score 6

Why: It took the question to ask which statement is true. It chose option 1 with score 6, tied with another option at 6 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 91, line 8: «When the Magician touches Pau Amma he «settled down», and «all the Sea rose up as water rises in a basin when you put your hand into it».», reached through the option's own match among the sentences about the question's things. What matched: the same doer «magician» (+4); the same thing acted on «pau» (+2). The right option, 3, scored 6. · the question and its options parsed, with trees and pragmatics

Test 2 · ★ · wrong ✗

The Magician praises children «who see and are silent», then «who speak truth». Why both?

  • 1. She saw the beast but told no one at all — ← Mova's choice · score 6
  • 2. She noticed quietly, then told the truth when it was needed — ✓ the right answer · score 6
  • 3. She noticed quietly, then told the truth when it was needed, and kept her golden scissors safe — score 6
  • 4. She lied when silence was best and spoke at once — no support

Why: It took the question to ask which statement is true. It chose option 1 with score 6, tied with another option at 6 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 91, line 6: «The Magician says: «How wise are little children who see and are silent!» and then «How wise are little children who speak truth!»», reached through the same lesson line as the sentence the question matched. What matched: the same action «say» (+4); the same doer «magician» (+2). The right option, 2, scored 6. · the question and its options parsed, with trees and pragmatics

Test 3 · ★ · wrong ✗

Why does the sea rise when the Magician puts his arm in and Pau Amma settles?

  • 1. The big body pulls the sea down into the sand — no support
  • 2. Like a hand in a basin, the big body pushes water up — ✓ the right answer · no support
  • 3. Like a hand in a basin, the big body of Pau Amma pushes all the water up over the land and the islands — ← Mova's choice · score 2
  • 4. Because the Magician is strong and the sea is deep — no support

Why: It took the question to ask why something happens (its cause). It chose option 3 with score 2, the only option with support. Its support: lesson 88, line 18: «Real life: rain is water that evaporated from seas and land, rose, cooled into clouds and fell again; «sky-water» is a good name for it.», reached through the option's own match among the sentences about the question's things. What matched: the same thing acted on «water» (+2); the same place «seas» (+1); a different action (counts against) (+1). Against it: a different doer (counts against) (-2). The right option, 2, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 4 · ★ · right ✓

Pau Amma threatens to go out seven times a day. What would that mean, in the story?

  • 1. The sea would never be still — ← Mova's choice · ✓ the right answer · no support
  • 2. The fish would all swim away — no support
  • 3. Nothing would change — no support
  • 4. The sea would dry up — no support

Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics

Test 5 · ★ · wrong ✗

Which is TRUE in this part?

  • 1. Pau Amma can stir up the whole land, being a King Crab — ← Mova's choice · no support
  • 2. Pau Amma can only stir up the sea, and he has a hard shell that the Magician gave him back — no support
  • 3. Pau Amma can only stir up the sea, though he is a King Crab — ✓ the right answer · no support
  • 4. Pau Amma can only stir up the sea, though he is the greatest King Crab in all the seas of the world — no support

Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics

Test 6 · ★ · right ✓

Real life: how do real crabs grow?

  • 1. They moult and stay soft for a while — ← Mova's choice · ✓ the right answer · no support
  • 2. They shed their shell and stay soft — no support
  • 3. They shed their legs — no support
  • 4. They grow by eating — no support

Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics

Test 7 · ★ · right ✓

Real life: why do most crabs walk sideways?

  • 1. They like sand — score 4
  • 2. Their shells slide sideways best — no support
  • 3. Their legs bend best that way — ← Mova's choice · ✓ the right answer · score 6
  • 4. Their bodies are built that way — score 4

Why: It took the question to ask why something happens (its cause). It chose option 3 with score 6, against 4 for the next best. Its support: lesson 91, line 17: «Real life: crabs do have eyes on stalks and most walk sideways, because their legs bend best that way. Their pincers are called claws or chelae; Kipling calls…», reached through the cause of the sentence the question matched. What matched: the same doer «legs» (+4); the same action «bend» (+1); the same property (+1). · the question and its options parsed, with trees and pragmatics

Test 8 · ★ · right ✓

Real life: what nut did sailors once think grew under the sea?

  • 1. The coco de mer — ← Mova's choice · ✓ the right answer · score 3
  • 2. The sea coconut — score 3
  • 3. The sea nut — score 3
  • 4. Coconut — score 3

Why: It took the question to ask what it is done to. It chose option 1 with score 3, tied with another option at 3 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 91, line 18: «Real life: the coco de mer, a huge double nut from the Seychelles islands, was once found floating in the Indian Ocean; sailors who never saw the tree believed…», reached through the option's own match among the sentences about the question's things. What matched: the same place «sea» (+3); the same action «grow» (+1). Against it: a different doer (counts against) (-1). · the question and its options parsed, with trees and pragmatics

Test 9 · ★ · right ✓

Ruby from Manchester: «our kid says putting your hand in the bath makes the tide.» (our kid = my brother) Put it right.

  • 1. Tides come from wind — no support
  • 2. The sea is moved by fish — no support
  • 3. A hand raises bath water, but tides come from the Moon's pull — ← Mova's choice · ✓ the right answer · score 6
  • 4. A hand moves bath water, but tides come from the wind's push — score 6

Why: It took the question to ask which statement is true. It chose option 3 with score 6, tied with another option at 6 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 91, line 19: «Real life: putting your hand in a basin does make the water rise, because your hand pushes water out of the way; but that is not what makes real tides, which c…», reached through the option's own match among the sentences about the question's things. What matched: the same doer «hand» (+4); the same thing acted on «water» (+2). · the question and its options parsed, with trees and pragmatics

Test 10 · ★ · right ✓

Looking back: in the Elephant's Child, who helped pull against the Crocodile?

  • 1. The Wise Old Hippopotamus — no support
  • 2. The Greedy Ostrich-Sparrow — no support
  • 3. The Bi-Coloured-Python-Rock-Snake — ← Mova's choice · ✓ the right answer · score 3
  • 4. The Great Bi-Coloured-Python-Rock-Snake who lay in the mud by the river — score 2

Why: It took the question to ask who or what does it. It chose option 3 with score 3, against 2 for the next best. Its support: lesson 79, line 15: «The "Bi-Coloured-Python-Rock-Snake" answered "in a voice of dretful scorn", "Have I seen a Crocodile? What will you ask me next?", and spanked him "with his sc…», reached through the option's own match among the sentences about the question's things. What matched: it fills the role the question asks for (+2); the same doer «bi coloured python rock snake» (+1); the same property (+1). Against it: a different action (counts against) (-1). · the question and its options parsed, with trees and pragmatics

Test 11 · ★ · right ✓

Looking back: which earlier character also boasted and was put in his place, being made «different» in a way he did not like?

  • 1. The Great Bi-Coloured-Python-Rock-Snake of the river — no support
  • 2. Old Man Kangaroo — ← Mova's choice · ✓ the right answer · score 5
  • 3. Old Man Crocodile — no support
  • 4. The Elephant's Child's Aunt Ostrich — no support

Why: It took the question to ask what it is done to. It chose option 2 with score 5, the only option with support. Its support: lesson 81, line 8: «Each time he asked for more: first "Make me different from all other animals", then also "wonderfully popular", then also "popular and wonderfully run after",…», reached through the remembered sentence the question matched. What matched: it fills the role the question asks for (+4); the same thing acted on «kangaroo» (+2). Against it: a different action (counts against) (-1). · the question and its options parsed, with trees and pragmatics

Test 12 · ★ · right ✓

Looking back: which earlier animal could take off his skin and button it up again?

  • 1. The Rhinoceros — ← Mova's choice · ✓ the right answer · score 5
  • 2. The Bi-Coloured-Python-Rock-Snake — score 1
  • 3. The Great Grey Elephant of the Jungle — score 2
  • 4. The Hippopotamus — score 1

Why: It took the question to ask who or what does it. It chose option 1 with score 5, against 2 for the next best. Its support: lesson 76, line 5: «That, says the story, is why rhinos have baggy, folded skin and a very bad temper; it is a funny revenge tale with a little lesson: "Them that takes cakes ...…», reached through the option's own match among the sentences about the question's things. What matched: the same thing acted on «funny revenge tale» (+2); it fills the role the question asks for (+2); the same doer «skin» (+1). · the question and its options parsed, with trees and pragmatics

Test 13 · ★ · wrong ✗

Looking back: in part 1, which animal's flung sand became Borneo and Java?

  • 1. All-the-Crab-there-was — ← Mova's choice · no support
  • 2. All-the-Turtle-there-was — ✓ the right answer · no support
  • 3. The Turtle — no support
  • 4. Pau Amma — no support

Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics

Test 14 · ★ · wrong ✗

Amir from Toronto, in his toque (woolly hat): «why didn't the crab just take the gifts straight off?» What did Pau Amma say?

  • 1. All soft as he was, the gifts would not help him at all, so he must first have his shell back from the Magician — no support
  • 2. He was soft, so the gifts would not help; first the shell — no support
  • 3. All soft as he was, he could not take the gifts yet, for the Magician had to make him a new shell first and then go — ← Mova's choice · score -3
  • 4. All soft as he was, the gifts would not help him; first his shell — ✓ the right answer · no support

Why: It took the question to ask why something happens (its cause). It chose option 3 with score -3, the only option with support. Its support: lesson 51, line 2: «A little breeze blows in their faces and brings the Piper's last gift, forgetfulness, so that the great memory will not overshadow their happy little lives; th…», reached through the option's own match among the sentences about the question's things. What matched: the same thing acted on «last gift» (+2). Against it: a different doer (counts against) (-2); one says «not», the other does not (counts against) (-3). The right option, 4, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 15 · ★ · wrong ✗

★★★ «Once a day and once a night I go out... Once a day and once a night I return.» How many times does the sea rise and fall in a day and a night, by this?

  • 1. It goes out twice and comes in twice — ✓ the right answer · score 4
  • 2. It goes out once and comes in once — score 4
  • 3. Twice — ← Mova's choice · score 6
  • 4. It goes out four times and comes in — score 4

Why: It took the question to ask what it is done to. It chose option 3 with score 6, against 4 for the next best. Its support: lesson 70, line 3: «At last, right above their heads, they hear cheering, stamping and glasses clinking — the weasels' party. They come to a trap-door, push it up together and cli…», reached through the remembered sentence the question matched. What matched: the same doer «splash» (+5); the same action «climb» (+1). The right option, 1, scored 4. · the question and its options parsed, with trees and pragmatics

Test 16 · ★ · wrong ✗

★★★ Counting: how many kings are named in this part, Pau Amma included?

  • 1. Five — no support
  • 2. Three — ✓ the right answer · no support
  • 3. Seven kings, including Pau Amma and the Magician — ← Mova's choice · score 0
  • 4. Four — no support

Why: It took the question to ask what it is done to. It chose option 3 with score 0, the only option with support. Its support: lesson 91, line 10: «When Pau Amma goes out, the beaches are left bare, little fish die and Raja Moyang Kaban, King of the Elephants, gets muddy legs; when he comes back, islands a…», reached through the same lesson line as the sentence the question matched. What matched: it fills the role the question asks for (+2); the same thing acted on «raja moyang» (+1). Against it: a different action (counts against) (-1); a different doer (counts against) (-2). The right option, 2, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 17 · ★ · wrong ✗

★★★ The Magician praised children «who see and are silent». What had the girl seen at the Very Beginning and kept quiet about?

  • 1. The beast slipping away into the sea and the Raja's men searching the shore — ← Mova's choice · score 13
  • 2. Pau Amma slipping away into the sea — ✓ the right answer · score 6
  • 3. Pau Amma slipping away into the sea while the Magician was asleep — score 6
  • 4. Pau Amma hiding in the sand — no support

Why: It took the question to ask a circumstance (with what, when, how). It chose option 1 with score 13, against 6 for the next best. Its support: lesson 91, line 1: «The little girl-daughter speaks up: at the Very Beginning she saw one beast slip away into the sea before he was taught his play. She describes him: round and…», reached through what was said in the sentence the question matched. What matched: the same action «slip away» (+4); the same doer «one beast» (+4); the same place «sea» (+4); the same property (+1). The right option, 2, scored 6. · the question and its options parsed, with trees and pragmatics

Exam question 1 · formal language · wrong ✗

Identify the description of the escaped beast furnished by the little girl-daughter.

  • 1. Round and flat, with eyes upon stalks, walking sideways, armoured upon the back, and a great golden voice — ← Mova's choice · score 5
  • 2. Round and flat, with eyes upon stalks, walking sideways, armoured upon the back — ✓ the right answer · score 5
  • 3. Round and flat, with eyes upon stalks, walking forwards, armoured below — no support
  • 4. Round and flat, with eyes upon stalks, walking sideways, armoured upon the back, and with twelve legs — score 5

Why: It took the question to ask which statement is true. It chose option 1 with score 5, tied with another option at 5 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 91, line 1: «The little girl-daughter speaks up: at the Very Beginning she saw one beast slip away into the sea before he was taught his play. She describes him: round and…», reached through a sentence linked to the one the question matched. What matched: the same action «walk» (+3); the same property (+2). The right option, 2, scored 5. · the question and its options parsed, with trees and pragmatics

Exam question 2 · formal language · wrong ✗

Ascertain the consequence of the Magic made with the little finger of the Magician's left hand.

  • 1. Pau Amma's shell fell from him as a husk from a coconut, and he sank into the sand — ← Mova's choice · score 5
  • 2. Pau Amma's shell fell from him as a husk from a coconut, and was given to the Magician's girl — score 3
  • 3. Pau Amma's shell fell from him as a husk from a coconut — ✓ the right answer · score 3
  • 4. The shell fell off him like a leaf from a tree — score 5

Why: It took the question to ask which statement is true. It chose option 1 with score 5, tied with another option at 5 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 91, line 4: «The Magician makes a Magic with just the little finger of his left hand, and Pau Amma's shell falls off like a husk off a coconut. Soft and ashamed, he begs fo…», reached through a sentence linked to the one the question matched. What matched: the same action «fall off» (+3); the same doer «shell» (+2). The right option, 3, scored 3. · the question and its options parsed, with trees and pragmatics

Exam question 3 · formal language · wrong ✗

It is given that Pau Amma, rendered soft, declined to leave Pusat Tasek. Select the reason most consistent with his own words.

  • 1. He feared that sharks and dogfish would devour him — ✓ the right answer · no support
  • 2. He wanted to stay near the Magician's house — no support
  • 3. He was afraid of Raja Kaban — no support
  • 4. He feared the sharks and dogfish would eat him — ← Mova's choice · score 5

Why: It took the question to ask which statement is true. It chose option 4 with score 5, the only option with support. Its support: lesson 91, line 14: «Soft Pau Amma cannot leave Pusat Tasek, because sharks and dogfish would eat him. The Magician will not simply give the shell back, because Pau Amma might grow…», reached through the option's own match among the sentences about the question's things. What matched: the same doer «sharks» (+4); the same action «eat» (+2). Against it: a different thing acted on (counts against) (-1). The right option, 1, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Exam question 4 · formal language · right ✓

Which of the following statements most accurately characterises the growth of real crabs?

  • 1. They moult their old shell and remain soft until a new one hardens — ← Mova's choice · ✓ the right answer · score 3
  • 2. They shed their old shell and stay soft for a while — score 3
  • 3. They moult their shell, and stay hard all the time — no support
  • 4. They never change their shell — no support

Why: It took the question to ask who or what does it. It chose option 1 with score 3, tied with another option at 3 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 91, line 16: «Real life: crabs have their skeleton on the outside; to grow, they climb out of the old shell (this is called moulting) and stay soft for a few days until the…», reached through the same lesson line as the sentence the question matched. What matched: the same action «stay» (+3); the same property (+1). Against it: a different doer (counts against) (-1). · the question and its options parsed, with trees and pragmatics

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