Mabinogion, Culhwch and Olwen: Kai's trick, Mabon freed, and the boar Trwyth chased

Tests: 2 of 13 right · Exam: 1 of 4 right · Kind: ★ · Understood: 10 of 17 · Run: 2026-10-18, commit f3c23ea72

Lesson 1340 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.

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 ✗

Oi mate, who actually done the giant in, like, proper?

1. Kai, but only after Bedwyr's long chase through the halls — no support
2. Goreu, son of Custennin, who slipped inside the castle — score -5
3. Goreu with the sharp sword — ← Mova's choice · score 3
4. Kai, with the scabbard trick — ✓ the right answer · score 3

Why: It took the question to ask who or what does it. It chose option 3 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 498, line 2: «The Giants, born from the earth and Uranus's blood, make war on Olympus, but rocks thrown at them knock them off their feet, and that is how they lose.», reached through the remembered sentence the question matched. What matched: the same action «knock off» (+3); a different doer (counts against) (+2). Against it: the same thing acted on «giants» (-2). The right option, 4, scored 3. · the question and its options parsed, with trees and pragmatics

Test 2 · ★ · right ✓

Bruv, how'd they even get in the castle, dead sneaky?

1. Goreu got the porter on side — ← Mova's choice · ✓ the right answer · no support
2. He bribed him — no support
3. Kai sneaked in with a cloak — no support
4. By a bribe — 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 3 · ★ · wrong ✗

Innit, what did the ousel reckon about that anvil?

1. Chipped to a thumb-sized lump — ← Mova's choice · no support
2. Pecked away at it for seven years until nothing but a nut-sized sliver remained — no support
3. Pecked and pecked until only a tiny bit of iron was left on the block — no support
4. Pecked down to a nut-sized bit — ✓ the right answer · 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 4 · ★ · wrong ✗

Proper, which animal did they go to after the ousel?

1. The owl of Cwm Cawlwyd — score -1
2. The eagle of Gwernabwy — score -1
3. The stag of Redynvre — ✓ the right answer · score -1
4. The old stag of Redynvre, grey with years and wise — ← Mova's choice · score 0

Why: It took the question to ask who or what does it. It chose option 4 with score 0, against -1 for the next best. Its support: lesson 1340, line 19: «Old word: an "ousel" is an old name for the blackbird, a bird we still know today.», reached through the option's own match among the sentences about the question's things. What matched: the same circumstance (+2). Against it: a different doer (counts against) (-2). The right option, 3, scored -1. · the question and its options parsed, with trees and pragmatics

Test 5 · ★ · wrong ✗

Lol, what did the stag say was left of his oak?

1. Nothing — ← Mova's choice · score -3
2. Just a withered stump — ✓ the right answer · no support
3. Only dead roots left — no support
4. Only a stump — 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 1022, line 2: «They have only two days left, and they have no ship or boat to take her with them.», reached through the remembered sentence the question matched. What matched: the same action «leave» (+1). Against it: a different thing acted on (counts against) (-4). The right option, 2, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 6 · ★ · wrong ✗

Mate, what did the eagle peck at off that rock?

1. Lichen off — ← Mova's choice · no support
2. Moss — no support
3. The stars — ✓ the right answer · no support
4. Lichen — 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 · ★ · wrong ✗

Bruv, how many fish spears did the eagle yank out?

1. Nine — ← Mova's choice · score 4
2. Forty — no support
3. Two — no support
4. Fifty — ✓ the right answer · no support

Why: It took the question to ask what it is done to. It chose option 1 with score 4, the only option with support. Its support: lesson 1340, line 15: «Gwythyr saves the ants from a burning heather fire, and the ants later repay him with nine bushels of flax seed.», reached through a sentence linked to the one the question matched. What matched: a different doer (counts against) (+2); the number the lesson gave for it (+2). The right option, 4, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 8 · ★ · wrong ✗

Lol, which bit of the river did the salmon swim to?

1. Far upstream, past every weir, to the high stone walls of Gloucester — ← Mova's choice · no support
2. Up the river as far as the old bridge at the walls of Gloucester — no support
3. Up the Severn to the town — no support
4. Up to Gloucester's walls — ✓ the right answer · 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 9 · ★ · wrong ✗

Honestly, what did they sneak under the walls on?

1. Riding on the strong back of the salmon through the shallow sluice — no support
2. Along the bank walls — ← Mova's choice · score -2
3. On the otter's back — no support
4. The salmon's shoulders — ✓ the right answer · no support

Why: It took the question to ask what it is done to. It chose option 2 with score -2, the only option with support. Its support: lesson 1240, line 17: «how: He succeeds because he watches the others and "noted the places on the wall that seemed most difficult".», reached through the same lesson line as the sentence the question matched. What matched: a different action (counts against) (+1). Against it: it fills the role the question asks for (-1); the same thing acted on «wall» (-2). The right option, 4, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 10 · ★ · wrong ✗

Mate, what did Mabon say would set him free, for real?

1. Only a duel — ← Mova's choice · score 0
2. Only fighting — ✓ the right answer · score 0
3. Only a long fight with his own sword and no one else — score 0
4. Only blood — score 0

Why: It took the question to ask what it is done to. It chose option 1 with score 0, tied with another option at 0 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 653, line 5: «At the wedding the dragon is set free, brings back bags of gold, sheds his plates, and turns into a cat.», reached through the remembered sentence the question matched. What matched: the same action «set» (+1). Against it: the same property (-1). The right option, 2, scored 0. · the question and its options parsed, with trees and pragmatics

Test 11 · ★ · right ✓

Ain't it wild, who got the ants out of the fire bit?

1. Gwythyr — ← Mova's choice · ✓ the right answer · score 0
2. Eliwlod — no support
3. Gwythyr, son of Greidawl, with his men — score -1
4. Arthur's young servant Gwythyr, son of Greidawl — no support

Why: It took the question to ask who or what does it. It chose option 1 with score 0, against -1 for the next best. Its support: lesson 1340, line 15: «Gwythyr saves the ants from a burning heather fire, and the ants later repay him with nine bushels of flax seed.», reached through the option's own match among the sentences about the question's things. What matched: the same thing acted on «ants» (+3). Against it: it fills the role the question asks for (-1); the same doer «gwythyr» (-2). · the question and its options parsed, with trees and pragmatics

Test 12 · ★ · wrong ✗

Bruv, what did the ants give Gwythyr as thanks?

1. Grain — ← Mova's choice · score 2
2. Nine coins — score 2
3. Nine sacks of barley — score 2
4. Nine bushels of flax seed — ✓ the right answer · score 2

Why: It took the question to ask who or what does it. It chose option 1 with score 2, tied with another option at 2 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 1108, line 16: «The cock crows, and the two kneel together, praying and giving thanks to God for His mercy.», reached through the remembered sentence the question matched. What matched: the same action «give» (+3); a different doer (counts against) (+2). Against it: the same circumstance (-3). The right option, 4, scored 2. · the question and its options parsed, with trees and pragmatics

Test 13 · ★ · wrong ✗

Proper dead cool, where did that boar Trwyth finally get chucked?

1. Driven over the cliffs of Cornwall into the sea beyond — no support
2. Into a deep pool — ← Mova's choice · score 5
3. Off the cliffs — score 5
4. Into the sea — ✓ the right answer · score 5

Why: It took the question to ask where. It chose option 2 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 147, line 3: «Two Travellers insult the Plane-tree that shaded them, and it scolds them; the Flea tells the Ox he would never let men pat him.», reached through the remembered sentence the question matched. What matched: the same thing acted on «man» (+3); the same action «pat» (+2). The right option, 4, scored 5. · the question and its options parsed, with trees and pragmatics

Exam question 1 · formal language · wrong ✗

By what means did Kai and Gwrhyr convey themselves beneath the walls of the prison?

1. On a boat — ← Mova's choice · score 3
2. Upon the shoulders of the salmon — ✓ the right answer · score 3
3. Upon the back of a great otter — score 3
4. By means of a cask on the water — 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 1127, line 19: «fact: Old word: "Tsarevich" means a tsar's son, or prince, and "thou" and "thy" are old words for "you" and "your."», reached through the remembered sentence the question matched. What matched: the same action «mean» (+3); a different doer (counts against) (+2). Against it: the same thing acted on «son» (-2). The right option, 2, scored 3. · the question and its options parsed, with trees and pragmatics

Exam question 2 · formal language · right ✓

By what agency was the boar Trwyth at last expelled from the realm?

1. Driven into the sea by Arthur — ← Mova's choice · ✓ the right answer · no support
2. Hunted down by Goreu and his men — no support
3. Chased from the realm by Arthur's full host until it plunged into the western waves — no support
4. Driven by Arthur and his hounds across the river and into the sea — 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

Exam question 3 · formal language · wrong ✗

Upon the death of Yspaddaden Penkawr, by whose hand was his head severed?

1. Bedwyr, the son of Bedrawd, in a single blow — ← Mova's choice · no support
2. Goreu, son of Custennin — ✓ the right answer · no support
3. Kai, the steward, by way of the scabbard trick — no support
4. Eliwlod, son of Erbin — 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

Exam question 4 · formal language · wrong ✗

Of what material was the scabbard that Kai proposed to renew, according to the text?

1. Its brass edges — ← Mova's choice · no support
2. The soft wooden sides, bound with leather strips and bronze — no support
3. Its thick leather covering and iron tip — no support
4. Its wooden sides — ✓ the right answer · 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

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