Blue Fairy Book, Perseus: the Terrible Head turns the wicked King to stone

Tests: 6 of 12 right · Exam: 1 of 4 right · Kind: ★ · Understood: 13 of 16 · Run: 2026-10-18, commit f3c23ea72

Lesson 1458 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 · ★ · right ✓

bro so where did he stash the head?

1. in his wallet — ← Mova's choice · ✓ the right answer · score -2
2. in the bag he carried over his shoulder all the way — no support
3. in a secret pouch under his robe near the sword — no support
4. under his bed — score -2

Why: It took the question to ask where. 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 1220, line 3: «Rosald strikes the giant down, cuts off its head, and carries it back to the castle in a leather bag.», reached through the option's own match among the sentences about the question's things. Against it: the same thing acted on «head» (-1); the same place «leather bag» (-1). · the question and its options parsed, with trees and pragmatics

Test 2 · ★ · right ✓

ok fr, what was the chain wrapped around?

1. her waist — ← Mova's choice · ✓ the right answer · no support
2. a rock — no support
3. her neck — no support
4. her arm — 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 ✗

lol who got turned to stone?

1. the wicked King who wanted mom — ← Mova's choice · score 5
2. the king at the palace court — score 4
3. the sea beast — score 4
4. the wicked King — ✓ the right answer · score 4

Why: It took the question to ask who or what does it. It chose option 1 with score 5, against 4 for the next best. Its support: lesson 663, line 7: «What: the servant "turned to stone from head to foot" after telling the crows' story, and the prince wants to bring him back to life.», reached through what was said in the sentence the question matched. What matched: the same action «want» (+5); it fills the role the question asks for (+1). Against it: the same doer «prince» (-1). The right option, 4, scored 4. · the question and its options parsed, with trees and pragmatics

Test 4 · ★ · right ✓

wait so the quoit hit who??

1. the king of the palace games — score 2
2. the father of his mother, the old king — score 2
3. his own grandad — ← Mova's choice · ✓ the right answer · score 4
4. the wicked king — score 2

Why: It took the question to ask what it is done to. It chose option 3 with score 4, against 2 for the next best. Its support: lesson 1458, line 15: «What: at the games, Perseus's quoit goes "beyond what had ever been thrown before" and strikes a man "so that he died".», reached through the option's own match among the sentences about the question's things. What matched: the same doer «quoit» (+3); the same action «strike» (+2). Against it: a different thing acted on (counts against) (-1). · the question and its options parsed, with trees and pragmatics

Test 5 · ★ · right ✓

dude, what does the Cap of Darkness do?

1. makes him invisible so the monsters can't see him at all — score 4
2. turns him to stone — score 1
3. lets him fly super fast through the air over the sea — score 1
4. makes him invisible — ← Mova's choice · ✓ the right answer · score 4

Why: It took the question to ask what is done. It chose option 4 with score 4, tied with another option at 4 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 1457, line 14: «The Cap of Darkness makes the wearer invisible, and even the fairies cannot see him when he wears it.», reached through the remembered sentence the question matched. What matched: it fills the role the question asks for (+2); the same property (+1); a different doer (counts against) (+1). · the question and its options parsed, with trees and pragmatics

Test 6 · ★ · right ✓

lowkey, what are the Shoes for?

1. going super fast — ← Mova's choice · ✓ the right answer · no support
2. letting him fly over the sea and land anywhere he likes — no support
3. fast running — no support
4. carrying him fast across the river to his own country — 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 ✓

ngl, what kinda hair did the boy have?

1. short curly yellow — ← Mova's choice · ✓ the right answer · no support
2. short curly black — no support
3. thick dark curls that fell over his forehead and eyes — no support
4. long flowing golden hair down past his shoulders — no support

Why: Nothing it remembers matched the question, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics

Test 8 · ★ · wrong ✗

yo, where did the dude leave his stuff?

1. up in the hills — ✓ the right answer · no support
2. by the river bank — no support
3. in a lonely cave by the coast of the sea — no support
4. under the old tree — ← Mova's choice · score 0

Why: It took the question to ask where. It chose option 4 with score 0, the only option with support. Its support: lesson 1154, line 17: «Old word: "trumpery" meant cheap, worthless stuff, like the wreath the stepmother pretends to despise.», reached through the option's own match among the sentences about the question's things. What matched: the same property (+1). Against it: the same thing acted on «cheap worthless stuff» (-1). The right option, 1, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 9 · ★ · wrong ✗

fr, why did the King want mom gone?

1. he hated her — ← Mova's choice · score -1
2. she wouldn't marry him — ✓ the right answer · score -1
3. she wanted to leave — no support
4. she refused his gold — no support

Why: It took the question to ask why something happens (its cause). It chose option 1 with score -1, tied with another option at -1 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 1453, line 11: «WHY: The old fairy wants "your little daughter to bring up as our own."», reached through the cause of the sentence the question matched. Against it: a different doer (counts against) (-1). The right option, 2, scored -1. · the question and its options parsed, with trees and pragmatics

Test 10 · ★ · wrong ✗

lmao what did the boy yell at the king?

1. "I swore to bring you the Head of the Gorgon, and here it is now" — ← Mova's choice · score 6
2. "I swore to bring you the Terrible Head" — ✓ the right answer · score 6
3. "You asked for it, so I swore to bring you the Terrible Head at last" — score 5
4. I brought your gift, King, look here — score -3

Why: It took the question to ask what it is done to. 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 1458, line 12: «What: the boy catches the King's blow on his shield and cries, "I swore to bring you the Terrible Head, and see how I keep my oath!"», reached through the option's own match among the sentences about the question's things. What matched: the same doer «boy» (+3); the same action «swear» (+2); its «because» matches the remembered cause (+1). The right option, 2, scored 6. · the question and its options parsed, with trees and pragmatics

Test 11 · ★ · wrong ✗

bruh did the people want him as king?

1. they begged him — ← Mova's choice · score 2
2. he left — no support
3. he said yes — no support
4. he said no — ✓ the right answer · no support

Why: It took the question to ask which statement is true. It chose option 1 with score 2, the only option with support. Its support: lesson 722, line 17: «fact: The word "shrine" means a holy place where people pray to a saint, and today we might say a sacred site or church.», reached through the option's own match among the sentences about the question's things. What matched: the same doer «people» (+2). The right option, 4, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 12 · ★ · wrong ✗

ok last one, what did the people do after the King was stone?

1. they cheered — ✓ the right answer · no support
2. they bowed low — no support
3. they cheered and rushed to the palace to crown the new king — ← Mova's choice · score 5
4. they went home — no support

Why: It took the question to ask what is done. It chose option 3 with score 5, the only option with support. Its support: lesson 1414, line 19: «"Sultan" is an old word for a ruler, and here it means the King himself.», reached through the option's own match among the sentences about the question's things. What matched: the same doer «ruler» (+2); the same thing acted on «king» (+2); a different action (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 1 · formal language · wrong ✗

Which object did the hero employ to avoid direct sight of the Terrible Head during his approach?

1. The Cap of Darkness, worn tight — ← Mova's choice · score 5
2. His polished shield, used as a mirror — ✓ the right answer · score 4
3. His bronze sword, held before him — score 5
4. The winged Shoes that carried him swiftly past the cliffs and kept his eyes shut tight — score 2

Why: It took the question to ask what it is done to. 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 869, line 6: «Who: the farmer, a good man who "could not bear the sight of a sexton" and got into "a terrible rage" when one appeared.», reached through the option's own match among the sentences about the question's things. What matched: the same doer «good man» (+3); the same action «bear» (+2); one says «not», the other does not (counts against) (+1). Against it: a different thing acted on (counts against) (-1). The right option, 2, scored 4. · the question and its options parsed, with trees and pragmatics

Exam question 2 · formal language · wrong ✗

What was the immediate consequence for the King upon the revelation of the Terrible Head?

1. He fell to the floor dead — ← Mova's choice · score 2
2. He was instantly transformed into a stone statue that stood in his hall forever — no support
3. He was transformed into stone — ✓ the right answer · score 0
4. He was turned to gold — score 0

Why: It took the question to ask which statement is true. It chose option 1 with score 2, against 0 for the next best. Its support: lesson 1238, line 12: «Why the king falls to his knees: the cottage is filled with light, and he remembers the star on the princess's forehead.», reached through the option's own match among the sentences about the question's things. What matched: the same doer «king» (+2). The right option, 3, scored 0. · the question and its options parsed, with trees and pragmatics

Exam question 3 · formal language · right ✓

By what means was the prophecy concerning the maternal grandfather ultimately fulfilled?

1. By a quoit thrown accidentally by the hero — ← Mova's choice · ✓ the right answer · score 8
2. By a quoit thrown accidentally by the hero during the games in the court of the grandfather — score 8
3. By an arrow shot by the king's own guard — no support
4. By the hero's careless throw of a heavy quoit during the public games held at Larissa — no support

Why: It took the question to ask a circumstance (with what, when, how). It chose option 1 with score 8, tied with another option at 8 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 1157, line 9: «Why: the king wants the young man's help because he thinks him "a great wizard" who "may be useful to me".», reached through what was said in the sentence the question matched. What matched: it fills the role the question asks for (+5); the same circumstance (+3). · the question and its options parsed, with trees and pragmatics

Exam question 4 · formal language · wrong ✗

Which of the following describes the fate of the monstrous sea creature?

1. It sank beneath the waves at dusk — ← Mova's choice · score 4
2. It was turned to stone upon the coast — ✓ the right answer · score 1
3. It was turned to stone upon the coast by the Terrible Head at the moment it was shown — score 4
4. It was turned into a rock on the beach beside the chained girl when the hero raised his shield — score 4

Why: It took the question to ask who or what does it. It chose option 1 with score 4, tied with another option at 4 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 483, line 18: «OLD WORD: "skazka" is a Russian fairy tale, so "only a skazka can describe" means only a fairy tale could describe it.», reached through a sentence linked to the one the question matched. What matched: it fills the role the question asks for (+3); the same doer «old word» (+2). Against it: a different action (counts against) (-1). The right option, 2, scored 1. · the question and its options parsed, with trees and pragmatics

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