The dentist and washing your hands

Tests: 13 of 19 right · Exam: 1 of 4 right · Kind: ★ · Understood: 17 of 23 · Run: 2026-10-18, commit f3c23ea72

Lesson 75 of the everyday 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 · ★ · right ✓

A boy in Leeds is nervous about the dentist. Which is true?

1. He must keep quiet and never ask questions — score 4
2. The dentist can explain each step and stop when he raises his hand — ← Mova's choice · ✓ the right answer · score 5
3. Being nervous means he cannot be treated — no support
4. Dentists are not allowed to talk to children — no support

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 75, line 8: «Dentists explain each step and can stop if you raise your hand.», reached through the remembered sentence the question matched. What matched: the same thing acted on «step» (+3); the same action «explain» (+1); the same doer «dentists» (+1). · the question and its options parsed, with trees and pragmatics

Test 2 · ★ · wrong ✗

After a filling, a girl's cheek feels huge and numb. What should she do at lunch?

1. Nothing, numb places cannot be hurt — no support
2. Chew hard on that side of her mouth to wake the numb feeling up again — ← Mova's choice · score 9
3. Be careful not to bite her cheek or lip until the feeling returns — ✓ the right answer · score 8
4. Eat very hot soup to warm it — no support

Why: It took the question to ask what is done. It chose option 2 with score 9, against 8 for the next best. Its support: lesson 75, line 10: «After a numbing injection the lip and cheek feel fat and strange for a few hours, and you must not bite or chew them.», reached through the same lesson line as the sentence the question matched. What matched: it fills the role the question asks for (+5); the same action «chew» (+4). The right option, 3, scored 8. · the question and its options parsed, with trees and pragmatics

Test 3 · ★ · right ✓

Why do dentists fix small holes early?

1. Fillings only work on big holes — score 0
2. Dentists like to be busy — no support
3. Small holes heal by themselves if they are left — score 4
4. A small hole grows bigger and more painful if left — ← Mova's choice · ✓ the right answer · score 7

Why: It took the question to ask why something happens (its cause). It chose option 4 with score 7, against 4 for the next best. Its support: lesson 75, line 6: «A boy in Leeds skipped his dentist check-ups for two years; a small hole the dentist would have found early grew so big that the tooth needed a root treatment.», reached through the same lesson line as the sentence the question matched. What matched: the same property (+4); the same doer «small hole» (+2); the same action «grow» (+1). · the question and its options parsed, with trees and pragmatics

Test 4 · ★ · right ✓

A girl with a brace wants caramel toffee. What would a dentist say?

1. Avoid it, it sticks to the brace and can break the wires — ← Mova's choice · ✓ the right answer · no support
2. Toffee helps straighten the teeth — no support
3. Eat it only in the morning — no support
4. Eat as much as you like, because braces are strong enough for anything — 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 ✗

A boy rinses only his palms quickly. What has he probably missed?

1. Nothing, the palms are where all the germs on our hands live — ← Mova's choice · no support
2. Only clean parts that need no washing — no support
3. Only the germs on his elbows — no support
4. Germs between his fingers, on his thumbs and on his wrists — ✓ 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 6 · ★ · right ✓

Why do we wash hands after cleaning a hamster's cage?

1. The cage makes your skin itchy — score 0
2. Hamsters are poisonous to touch with bare hands — score 5
3. Pets can carry germs that make people ill — ← Mova's choice · ✓ the right answer · score 15
4. So the hamster does not smell us — no support

Why: It took the question to ask why something happens (its cause). It chose option 3 with score 15, against 5 for the next best. Its support: lesson 75, line 15: «Pets can carry germs that make people ill, so hands are washed after touching them or their cages.», reached through the cause of the sentence the question matched. What matched: the same thing acted on «germs» (+6); the same doer «pets» (+5); the same action «carry» (+4). · the question and its options parsed, with trees and pragmatics

Test 7 · ★ · right ✓

What would probably happen if a child with a cold coughed into his hands and then opened the classroom door?

1. Nothing, germs stay on the hands — no support
2. The germs would all die on the cold metal door handle at once — no support
3. His cold would get better faster — no support
4. The next people to touch the handle could catch his germs — ← Mova's choice · ✓ the right answer · score 3

Why: It took the question to ask what happens next. It chose option 4 with score 3, the only option with support. Its support: lesson 29, line 7: «Children who visited a petting farm in England and did not wash their hands properly caught a germ called E. coli; some became very ill and had to go to hospit…», reached through the option's own match among the sentences about the question's things. What matched: the same action «catch» (+2); the same thing acted on «germ» (+2). Against it: a different doer (counts against) (-1). · the question and its options parsed, with trees and pragmatics

Test 8 · ★ · right ✓

Which habit helps germs get inside your body?

1. Sucking your fingers — ← Mova's choice · ✓ the right answer · score 8
2. Washing your hands before lunch — score 7
3. Sneezing into your elbow — no support
4. Using a tissue for your nose — no support

Why: It took the question to ask who or what does it. It chose option 1 with score 8, against 7 for the next best. Its support: lesson 75, line 18: «Biting nails and sucking fingers move germs from the hands into the body.», reached through the same lesson line as the sentence the question matched. What matched: the same action «suck» (+4); the same thing acted on «fingers» (+4). · the question and its options parsed, with trees and pragmatics

Test 9 · ★ · wrong ✗

What does a sealant do to the back teeth?

1. Pulls them out painlessly — ← Mova's choice · no support
2. Makes them grow bigger and stronger — no support
3. Turns them white — no support
4. Coats them to help stop decay — ✓ the right answer · no support

Why: It could not read the question into a frame, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics

Test 10 · ★ · wrong ✗

dentist numbed my mouth, lip feels huge lol, can i eat a burger

1. Yes, chew on the numb side only — ← Mova's choice · no support
2. Wait till it wears off so you do not bite your lip — ✓ the right answer · no support
3. Yes, eat now while it does not hurt, best time for it — no support
4. Yes, numb lips cannot be hurt — 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 11 · ★ · right ✓

what if it hurts at the dentist and i want them to stop

1. Raise your hand and they can stop — ← Mova's choice · ✓ the right answer · score 6
2. Bite them so they know to stop — no support
3. Nothing, you must stay quiet — no support
4. Shout and run out of the room as fast as u can — no support

Why: It took the question to ask which statement is true. It chose option 1 with score 6, the only option with support. Its support: lesson 75, line 2: «Feeling nervous is normal; you can tell the dentist, ask what they will do, and agree a signal, like raising your hand, for them to stop.», reached through the same lesson line as the sentence the question matched. What matched: the same action «raise» (+3); the same thing acted on «hand» (+3). · the question and its options parsed, with trees and pragmatics

Test 12 · ★ · right ✓

just stroked the rabbit, can i have my sandwich

1. Wash your hands first, pets can carry germs — ← Mova's choice · ✓ the right answer · score 5
2. Yes, just wipe your hands on a towel or your jeans — no support
3. Only wash if it scratched you — no support
4. Yes, rabbits are always clean — no support

Why: It took the question to ask which statement is true. It chose option 1 with score 5, the only option with support. Its support: lesson 75, line 5: «A girl in Denver cleans her rabbit's cage, then washes her hands with soap before she helps her dad make sandwiches, so no germs go from the rabbit into the fo…», reached through a sentence linked to the one the question matched. What matched: the same action «wash» (+2); the same thing acted on «hands» (+2); a different doer (counts against) (+1). · the question and its options parsed, with trees and pragmatics

Test 13 · ★ · right ✓

soap's run out in the school loos again

1. Tell a teacher — ← Mova's choice · ✓ the right answer · score 7
2. Do not wash your hands at all — score -1
3. Use just water and say nothing — no support
4. Take soap from another class — no support

Why: It took the question to ask which statement is true. It chose option 1 with score 7, against -1 for the next best. Its support: lesson 75, line 17: «If the soap at school runs out, you tell a teacher.», reached through the same lesson line as the sentence the question matched. What matched: the same receiver «teacher» (+4); the same action «tell» (+3). · the question and its options parsed, with trees and pragmatics

Test 14 · ★ · right ✓

teeth dont hurt so why go to the dentist

1. You only go if a tooth falls out — no support
2. Small holes don't hurt yet, the dentist finds them before they grow — ← Mova's choice · ✓ the right answer · score 9
3. Check-ups make teeth weaker — score 1
4. The dentist only helps when it hurts — no support

Why: It took the question to ask which statement is true. It chose option 2 with score 9, against 1 for the next best. Its support: lesson 74, line 14: «A tooth that hurts with cold or sweet things may have a hole that a dentist needs to fix.», reached through the same lesson line as the sentence the question matched. What matched: the same doer «dentist» (+5); the same thing acted on «hole» (+3); a different action (counts against) (+1). · the question and its options parsed, with trees and pragmatics

Test 15 · ★ · right ✓

just came off the playground, gonna grab a sandwich

1. Germs can't live on hands outside — no support
2. Wash your hands first, germs from outside can make you sick — ← Mova's choice · ✓ the right answer · score 5
3. Wipe your hands on your shirt, that's enough to clean them — no support
4. Just blow on your hands — no support

Why: It took the question to ask which statement is true. It chose option 2 with score 5, the only option with support. Its support: lesson 75, line 5: «A girl in Denver cleans her rabbit's cage, then washes her hands with soap before she helps her dad make sandwiches, so no germs go from the rabbit into the fo…», reached through a sentence linked to the one the question matched. What matched: the same action «wash» (+2); the same thing acted on «hands» (+2); a different doer (counts against) (+1). · the question and its options parsed, with trees and pragmatics

Test 16 · ★ · wrong ✗

whole class got a tummy bug after the trip, why

1. Tummy bugs come from cold weather — ← Mova's choice · no support
2. Germs spread from unwashed hands to food and mouths — ✓ the right answer · no support
3. Too much running about on the trip gives you a tummy bug — no support
4. Tummy bugs come from the bus seats only — 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 17 · ★ · right ✓

omg did u hear half the kids at Zoe's party threw up for like a week cos nobody washed their hands, what's the lesson

1. Parties are dangerous, never go to one — no support
2. Only the cake made them sick, hands don't matter — no support
3. Wash hands only if they look dirty — score 5
4. Wash your hands with soap before eating and after the toilet — ← Mova's choice · ✓ the right answer · score 8

Why: It took the question to ask which statement is true. It chose option 4 with score 8, against 5 for the next best. Its support: lesson 75, line 3: «Germs are too small to see, and our hands carry them everywhere: onto food, into our mouths and onto things other people touch, so washing hands with soap is o…», reached through the remembered sentence the question matched. What matched: the same circumstance (+4); the same thing acted on «hands» (+3); the same action «wash» (+1). · the question and its options parsed, with trees and pragmatics

Test 18 · ★ · right ✓

someone said the dentist drills right through ur head if u move, is that true lol

1. No, a rumour; the dentist explains each step and stops if you raise a hand — ← Mova's choice · ✓ the right answer · score 1
2. Yes, but only for children under ten — no support
3. Yes, so you must never visit a dentist — no support
4. Yes, dentists drill holes on purpose — score -1

Why: It took the question to ask which statement is true. It chose option 1 with score 1, against -1 for the next best. Its support: lesson 75, line 8: «Dentists explain each step and can stop if you raise your hand.», reached through the option's own match among the sentences about the question's things. What matched: the same action «explain» (+2). Against it: a different doer (counts against) (-1). · the question and its options parsed, with trees and pragmatics

Test 19 · ★ · wrong ✗

everyone's sayin Max has disgusting hands and gave the whole class a tummy bug, should i spread it

1. No, don't blame or shame him; just wash your own hands well — ✓ the right answer · score 4
2. Yes, but only tell the teacher and parents — no support
3. Yes, everyone should stay away from him — no support
4. Yes, and tell people he never washes his hands after the toilet — ← Mova's choice · score 6

Why: It took the question to ask which statement is true. It chose option 4 with score 6, against 4 for the next best. Its support: lesson 75, line 19: «Many tummy bugs spread when people do not wash their hands after the toilet or before eating.», reached through the remembered sentence the question matched. What matched: the same circumstance (+4); the same thing acted on «hands» (+3); the same action «wash» (+1). Against it: a different doer (counts against) (-2). The right option, 1, scored 4. · the question and its options parsed, with trees and pragmatics

Exam question 1 · formal language · wrong ✗

Identify the principal function of a dental filling.

1. It numbs the tooth so that it never feels pain again — ← Mova's choice · no support
2. It repairs a cavity so that it does not enlarge and cause pain — ✓ the right answer · no support
3. It whitens the surface of the tooth permanently — no support
4. It removes the tooth so that a new one may grow — 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

Exam question 2 · formal language · wrong ✗

Which of the following most accurately characterises thorough hand washing?

1. Rinsing the palms briefly in cold water without soap — no support
2. Wiping the hands upon one's clothing afterwards — no support
3. Rubbing the palms alone for a few seconds — ← Mova's choice · score 7
4. Rubbing the palms, backs, fingers, thumbs, fingertips and wrists — ✓ the right answer · score 7

Why: It took the question to ask who or what does it. It chose option 3 with score 7, tied with another option at 7 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 75, line 14: «Good hand washing rubs the palms, the backs, between the fingers, the thumbs, the fingertips and the wrists.», reached through the option's own match among the sentences about the question's things. What matched: the same action «rub» (+4); the same thing acted on «palms» (+3). The right option, 4, scored 7. · the question and its options parsed, with trees and pragmatics

Exam question 3 · formal language · right ✓

Select the response consistent with the established facts concerning the condition of the lip subsequent to a numbing injection.

1. It is permanently numb and never regains its feeling — no support
2. It returns to normal sensation within one minute — no support
3. It feels swollen for some hours and must not be bitten or chewed — ← Mova's choice · ✓ the right answer · score 4
4. It may be chewed freely, since it cannot be harmed — no support

Why: It took the question to ask which statement is true. It chose option 3 with score 4, the only option with support. Its support: lesson 75, line 10: «After a numbing injection the lip and cheek feel fat and strange for a few hours, and you must not bite or chew them.», reached through the same lesson line as the sentence the question matched. What matched: the same action «feel» (+3); the same property (+3). Against it: a different doer (counts against) (-2). · the question and its options parsed, with trees and pragmatics

Exam question 4 · formal language · wrong ✗

Determine the course of action required of a pupil upon discovering that the soap at school has been exhausted.

1. Abstain from washing for the remainder of term — no support
2. Inform a teacher — ✓ the right answer · no support
3. Use washing-up liquid from the kitchen — no support
4. Rinse with water alone and say nothing — ← 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 31, line 12: «Hands should be washed with soap and water for about 20 seconds before cooking and after touching raw meat or eggs.», reached through the option's own match among the sentences about the question's things. What matched: the same action «wash» (+2). The right option, 2, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

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