The Wizard of Oz, The Magic Art of the Great Humbug, part 20: Oz confesses he is a humbug and shows how his tricks worked.

Tests: 5 of 12 right · Exam: 0 of 4 right · Kind: ★ · Understood: 14 of 16 · Run: 2026-10-18, commit f3c23ea72

Lesson 1605 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 ✗

bruh, the scary Head was just paper on a wire, no cap?

1. Nope, a real face — no support
2. Nah, real flesh — no support
3. Nah, it was a real head — ← Mova's choice · score 1
4. Yeah, paper and a wire — ✓ the right answer · no support

Why: It took the question to ask which statement is true. It chose option 3 with score 1, the only option with support. Its support: lesson 1576, line 11: «The heads ask "Wash me, girl!", "Brush me, girl!" and "Kiss me, girl!", and she does each task kindly.», reached through the option's own match among the sentences about the question's things. What matched: the same doer «heads» (+2). Against it: the same thing acted on «heads» (-1). The right option, 4, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 2 · ★ · right ✓

so the Beast was just skins sewn up, lowkey lame?

1. Nah, bears — no support
2. Yup, skins sewn together — ← Mova's choice · ✓ the right answer · score 2
3. Nope, it was a real lion — no support
4. Nope, real beast — no support

Why: It took the question to ask which statement is true. It chose option 2 with score 2, the only option with support. Its support: lesson 1294, line 14: «why: The wolf thinks "I can always get away if I choose," so he lets the ram's skin be sewn on him and waits.», reached through the option's own match among the sentences about the question's things. What matched: the same action «sew» (+3). Against it: the same thing acted on «skin» (-1). · the question and its options parsed, with trees and pragmatics

Test 3 · ★ · wrong ✗

wait, was the Ball of Fire actually cotton?

1. Yep, wool with oil — no support
2. Nope, it was really a ball of wax covered in silk and tied with string — ← Mova's choice · score 1
3. Yep, cotton with oil — ✓ the right answer · no support
4. Nope, it was a hot metal ball painted red and filled with burning coal and oil — score 1

Why: It took the question to ask which statement is true. It chose option 2 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 1605, line 14: «The Ball of Fire was really "a ball of cotton" that burned fiercely when oil was poured on it.», reached through the option's own match among the sentences about the question's things. What matched: the same doer «ball» (+2). Against it: the same thing acted on «ball» (-1). The right option, 3, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 4 · ★ · wrong ✗

fr, Oz was born in Omaha? that's close to Kansas, right?

1. No, it's across the sea — ← Mova's choice · no support
2. Yeah, not very far — ✓ the right answer · no support
3. Yeah, Omaha is in Nebraska, which is right next door to Kansas on the map — no support
4. Yup, Omaha is in Kansas — 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 ✗

ok but why'd the Scarecrow not just ask for a brain tho

1. He was too scared — no support
2. He forgot to ask Oz — ← Mova's choice · score 4
3. He thought brains were rare — no support
4. He thought Oz had them — ✓ the right answer · no support

Why: It took the question to ask which statement is true. It chose option 2 with score 4, the only option with support. Its support: lesson 1590, line 17: «The Tin Woodman's joints are rusted, and he needs an oil-can that Dorothy finds "on a shelf in my cottage."», reached through the option's own match among the sentences about the question's things. What matched: the same action «need» (+3); the same doer «scarecrow» (+2). Against it: one says «not», the other does not (counts against) (-1). The right option, 4, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 6 · ★ · right ✓

so Oz is a total sus humbug, bro?

1. Yep, a total fake — ← Mova's choice · ✓ the right answer · no support
2. Nope, a king — no support
3. Nah, he's real — no support
4. Nah, a good wizard — 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 ✓

did the people really think the city was emerald?

1. Yeah, it was green — score 1
2. Nope, just grey — no support
3. Yeah, they wore green glasses — ← Mova's choice · ✓ the right answer · score 5
4. Yeah, they had green visors — no support

Why: It took the question to ask which statement is true. It chose option 3 with score 5, against 1 for the next best. Its support: lesson 1557, line 16: «Old word: a "ruff" is a stiff, frilled collar worn around the neck, and it was fashionable in the 1500s and 1600s, but people rarely wear one today.», reached through the option's own match among the sentences about the question's things. What matched: the same action «wear» (+3); the same doer «people» (+2). · the question and its options parsed, with trees and pragmatics

Test 8 · ★ · right ✓

wait, so Oz gonna give the Lion courage tomorrow?

1. Yep, that's what he said — ← Mova's choice · ✓ the right answer · score 5
2. Nope, he said later — score 5
3. Nope, not tonight — no support
4. Nope, he will wait a week — no support

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 1605, line 15: «Oz says he was born in Omaha, and Dorothy answers that this is "not very far from Kansas."», reached through the option's own match among the sentences about the question's things. What matched: the same action «say» (+3); the same doer «oz» (+2). · the question and its options parsed, with trees and pragmatics

Test 9 · ★ · wrong ✗

lol the Tin Woodman wants a heart even tho Oz says no?

1. Nope, he gave up — no support
2. Yeah, he will suffer it — score 2
3. Nope, he took the heart — ← Mova's choice · score 4
4. Yeah, he will bear the pain — ✓ the right answer · no support

Why: It took the question to ask which statement is true. It chose option 3 with score 4, against 2 for the next best. Its support: lesson 1591, line 10: «He carries an axe, and he asks Dorothy to keep his oil-can in her basket "in case I should get caught in the rain."», reached through the option's own match among the sentences about the question's things. What matched: the same action «carry» (+3); the same doer «oz» (+2). Against it: a different thing acted on (counts against) (-1). The right option, 4, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 10 · ★ · wrong ✗

bro, Oz just used a balloon to get here, right?

1. Yes, a storm blew him here — no support
2. Yep, a balloon blew him here — ✓ the right answer · no support
3. Nope, he flew in a big kite — no support
4. Nope, he rode a magic horse across the desert from Kansas for many long days — ← Mova's choice · score 2

Why: It took the question to ask which statement is true. It chose option 4 with score 2, the only option with support. Its support: lesson 1589, line 9: «Why: Dorothy wants Oz to send her back to Kansas, and the Scarecrow hopes Oz will give him "some brains".», reached through the option's own match among the sentences about the question's things. What matched: the same doer «oz» (+2); a different action (counts against) (+1). Against it: a different thing acted on (counts against) (-1). The right option, 2, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 11 · ★ · wrong ✗

so Dorothy's gonna get home soon, or what?

1. Nope, Oz says the Witch must die first, so Dorothy will wait in the palace for a long time — ← Mova's choice · score 3
2. Nope, she will wait a year — no support
3. Oz will try the desert trip — ✓ the right answer · no support
4. Yep, Oz will fly her home on a golden carriage drawn by six white horses tomorrow — score -2

Why: It took the question to ask a circumstance (with what, when, how). It chose option 1 with score 3, against -2 for the next best. Its support: lesson 1598, line 12: «Why does Oz want Dorothy to kill the Witch? He says "In this country everyone must pay for everything he gets," so she must do something for him first.», reached through the option's own match among the sentences about the question's things. What matched: the same property (+2); the same doer «dorothy» (+1). The right option, 3, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 12 · ★ · right ✓

ngl the Wicked Witch of the East got melted, right?

1. Yes, Oz burned her up — score 1
2. Yeah, Dorothy melted her — ← Mova's choice · ✓ the right answer · score 5
3. Nope, the Lion did it — no support
4. Yeah, Dorothy threw a bucket of water on her and she melted away into a puddle — score 4

Why: It took the question to ask which statement is true. It chose option 2 with score 5, against 4 for the next best. Its support: lesson 1602, line 10: «Why: the Witch melts because water is the end of her, as she asks, "Didn't you know water would be the end of me?"», reached through the option's own match among the sentences about the question's things. What matched: the same action «melt» (+3); the same doer «witch» (+2). · the question and its options parsed, with trees and pragmatics

Exam question 1 · formal language · wrong ✗

Which object did Oz describe as a "ball of fire," and what was it in truth?

1. The lantern in the Throne Room, which burst into flame when Dorothy and her friends came in through the door — no support
2. The silk ball, which sparked when oil was poured into it — ← Mova's choice · score 0
3. The cotton ball, which burned when oil was poured upon it — ✓ the right answer · score 0
4. The great golden Head, which roared and blazed when the Wizard touched a hidden lever behind the curtain — no support

Why: It took the question to ask what it is done to. It chose option 2 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 1394, line 18: «What does "beseeching" mean? It is an old word for begging, so the Marionette's voice is pleading and urgent, as if begging for help.», reached through a sentence linked to the one the question matched. What matched: a different doer (counts against) (+1). Against it: the same thing acted on «old word» (-1). The right option, 3, scored 0. · the question and its options parsed, with trees and pragmatics

Exam question 2 · formal language · wrong ✗

What undertaking did Oz propose to Dorothy at the close of this passage?

1. To build a new balloon for Dorothy — score -3
2. To plan a way to get her over the sand — ← Mova's choice · score 0
3. To devise a means of conveying her across the desert — ✓ the right answer · score -1
4. To find a way home — score -3

Why: It took the question to ask what it is done to. It chose option 2 with score 0, against -1 for the next best. Its support: lesson 1591, line 10: «He carries an axe, and he asks Dorothy to keep his oil-can in her basket "in case I should get caught in the rain."», reached through what was said in the sentence the question matched. What matched: it fills the role the question asks for (+1). Against it: the same thing acted on «oz» (-1). The right option, 3, scored -1. · the question and its options parsed, with trees and pragmatics

Exam question 3 · formal language · wrong ✗

By what means did Oz admit that he had deceived the travellers regarding his powers?

1. By admitting he was a humbug and showing his machines — score -3
2. By confessing he was a fraud and revealing his hidden tricks — ← Mova's choice · score -2
3. By disclosing that he was a humbug and displaying his contrivances — ✓ the right answer · score -3
4. By sending a letter to the Witches confessing everything, then burning all his magic tools in a great fire in the courtyard — no support

Why: It took the question to ask who or what does it. It chose option 2 with score -2, against -3 for the next best. Its support: lesson 98, line 16: «The true princess asks that Falada's head be nailed under "a large dark gate," so she may still see him.», reached through the remembered sentence the question matched. What matched: a different action (counts against) (+2). Against it: it fills the role the question asks for (-1); the same doer «head» (-3). The right option, 3, scored -3. · the question and its options parsed, with trees and pragmatics

Exam question 4 · formal language · wrong ✗

What did Oz promise to bestow upon the Scarecrow and the Lion respectively on the following morning?

1. Brains for the Scarecrow — ← Mova's choice · score -1
2. Brains upon the Scarecrow and courage upon the Lion — ✓ the right answer · score -1
3. A heart and a brain — score -1
4. Courage for the Lion and a heart for the Tin Woodman — score -1

Why: It took the question to ask what it is done to. 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 1604, line 19: «Old word: "bestow" means "to give", so the gift Oz had promised to bestow means the gift Oz had promised to give; "mortals" meant ordinary people, who are not…», reached through the remembered sentence the question matched. What matched: the same action «bestow» (+1). Against it: the same doer «oz» (-2). The right option, 2, scored -1. · the question and its options parsed, with trees and pragmatics

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