Babies, button batteries and magnets

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

Lesson 113 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 · ★ · wrong ✗

Which of these is the most dangerous for a toddler to swallow?

1. A small piece of banana — ← Mova's choice · no support
2. A sip of warm milk — no support
3. A soft crumb of bread — no support
4. A button battery — ✓ 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 2 · ★ · wrong ✗

A girl in Brisbane thinks her baby brother put a button battery in his mouth, but he seems fine. What should happen?

1. He goes to hospital straight away, because the burn starts before you can see it — ✓ the right answer · no support
2. Wait until he shows that he is ill, because most swallowed things come out on their own — no support
3. Give him a big glass of water and forget about it, as it washes the battery down — ← Mova's choice · score 4
4. Look in his mouth tomorrow — 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 95, line 7: «A girl in Glasgow gave her baby brother a small piece of hard sweet because he was crying; he started to choke, and her mum had to give firm slaps between his…», reached through the option's own match among the sentences about the question's things. What matched: the same action «give» (+4); the same receiver «baby brother» (+2); a different thing acted on (counts against) (+1). Against it: a different doer (counts against) (-3). The right option, 1, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 3 · ★ · wrong ✗

Why is one swallowed magnet worrying but two magnets much worse?

1. Two magnets weigh far too much for a child to swallow — score 1
2. Two can pinch the gut between them and tear it — ✓ the right answer · no support
3. Two magnets make a loud noise inside — ← Mova's choice · score 2
4. One magnet always comes back up — no support

Why: It took the question to ask why something happens (its cause). It chose option 3 with score 2, against 1 for the next best. Its support: lesson 113, line 7: «A girl in the UK swallowed two small magnets; they joined through her gut and made holes in it, and she needed an operation.», reached through the option's own match among the sentences about the question's things. What matched: the same action «make» (+3); the same doer «magnets» (+2). Against it: a different thing acted on (counts against) (-3). The right option, 2, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 4 · ★ · wrong ✗

Why is a babysitter told never to shake a crying baby?

1. A baby's brain can be badly hurt by shaking — ✓ the right answer · score 6
2. Shaking makes the baby forget its parents — ← Mova's choice · score 8
3. Shaking only works to calm older babies, not newborns — no support
4. It makes the baby too tired to eat — score 8

Why: It took the question to ask why something happens (its cause). It chose option 2 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 113, line 9: «A baby must never be shaken, because shaking can cause serious brain damage.», reached through the cause of the sentence the question matched. What matched: the same action «cause» (+7); a different doer (counts against) (+1). The right option, 1, scored 6. · the question and its options parsed, with trees and pragmatics

Test 5 · ★ · wrong ✗

A boy wants to carry his newborn cousin across the room. What should happen first?

1. He should lift her up quickly by her arms so she does not slip — ← Mova's choice · score 6
2. He should practise by swinging her gently — score 1
3. A grown-up agrees and shows him how to support the head — ✓ the right answer · no support
4. He should wait until she is crying — score 5

Why: It took the question to ask which statement is true. It chose option 1 with score 6, against 5 for the next best. Its support: lesson 111, line 6: «A boy in Leeds picked up a broken glass with his bare hands; he cut his palm and needed stitches.», reached through the same lesson line as the sentence the question matched. What matched: the same doer «boy» (+4); the same action «pick up» (+2). The right option, 3, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 6 · ★ · right ✓

A family keeps old batteries in a jar and takes them to the supermarket battery bin. Why is this good?

1. It is the only way to buy new batteries — score 4
2. It makes the old batteries charge up again so that they can be used once more — score 6
3. It keeps poison out of the ground and fires out of bin lorries — ← Mova's choice · ✓ the right answer · score 7
4. Supermarkets pay a lot of money for them — score 5

Why: It took the question to ask why something happens (its cause). It chose option 3 with score 7, against 6 for the next best. Its support: lesson 113, line 14: «Batteries should be recycled at a battery bin, because in ordinary rubbish they can leak poison and start fires in bin lorries.», reached through the cause of the sentence the question matched. What matched: the same thing acted on «poison» (+4); a different action (counts against) (+2); a different doer (counts against) (+1). · the question and its options parsed, with trees and pragmatics

Test 7 · ★ · wrong ✗

Your phone gets hot and the back starts to bulge. What could happen if you ignore it?

1. The bulge would go down by itself after a sleep — ← Mova's choice · score 2
2. The screen would just get brighter — no support
3. The phone would get faster at loading — no support
4. The battery could catch fire — ✓ the right answer · no support

Why: It took the question to ask what happens next. It chose option 1 with score 2, the only option with support. Its support: lesson 10, line 2: «You stay up when your centre of gravity is above your feet; on a slope you lean forward going up and keep your knees bent and your steps small going down, so y…», reached through the option's own match among the sentences about the question's things. What matched: the same action «go down» (+2); the same property (+1). Against it: a different doer (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 8 · ★ · right ✓

Why are long cords on blinds tied up high in a home with a toddler?

1. Tied cords make the room darker — no support
2. Cords can wrap around a small child's neck — ← Mova's choice · ✓ the right answer · score 8
3. Cords collect too much dust — no support
4. Toddlers pull the blinds right off the windows and break them — no support

Why: It took the question to ask why something happens (its cause). It chose option 2 with score 8, the only option with support. Its support: lesson 113, line 11: «Cords, strings and long scarves are kept away from small children because they can wrap around the neck.», reached through the option's own match among the sentences about the question's things. What matched: the same action «wrap» (+3); the same place «neck» (+3); the same doer «cords» (+2). · the question and its options parsed, with trees and pragmatics

Test 9 · ★ · right ✓

Mum's handbag is open on the floor with face cream inside. Why is that a worry with a baby nearby?

1. The baby will lose the bag somewhere — no support
2. The baby may eat the cream — ← Mova's choice · ✓ the right answer · score 5
3. The cream will melt on the floor — no support
4. The baby will be allergic to the bag — no support

Why: It took the question to ask why something happens (its cause). It chose option 2 with score 5, the only option with support. Its support: lesson 113, line 10: «Babies try to eat creams and wipes, so nappy cream, wipes and lotion are kept out of their reach.», reached through the option's own match among the sentences about the question's things. What matched: the same action «eat» (+3); the same doer «babies» (+2); the same thing acted on «creams» (+2). Against it: one says «not», the other does not (counts against) (-2). · the question and its options parsed, with trees and pragmatics

Test 10 · ★ · right ✓

think the baby swallowed one of those little round batteries!!

1. It will just come out the other end in a day, don't worry about it — no support
2. Give her milk and wait a day — no support
3. Go to hospital right now, it can burn the throat in hours — ← Mova's choice · ✓ the right answer · score 3
4. Only worry if she starts coughing — no support

Why: It took the question to ask which statement is true. It chose option 3 with score 3, the only option with support. Its support: lesson 113, line 3: «A swallowed button battery makes a current in the wet throat and can burn through it within about two hours, and two swallowed magnets can pull together throug…», reached through the same lesson line as the sentence the question matched. What matched: the same property (+3); the same action «burn» (+2). Against it: a different doer (counts against) (-2). · the question and its options parsed, with trees and pragmatics

Test 11 · ★ · right ✓

baby wont stop crying, can i give him a lil shake

1. Yes, gently shaking calms babies down — no support
2. Yes, if you hold his head — no support
3. No, never shake a baby, get a grown-up — ← Mova's choice · ✓ the right answer · score 6
4. Only for a few seconds — no support

Why: It took the question to ask which statement is true. It chose option 3 with score 6, the only option with support. Its support: lesson 113, line 9: «A baby must never be shaken, because shaking can cause serious brain damage.», reached through the option's own match among the sentences about the question's things. What matched: the same action «shake» (+4); the same thing acted on «baby» (+2). · the question and its options parsed, with trees and pragmatics

Test 12 · ★ · right ✓

the old remote battery has white crusty stuff on it

1. It's just salt, it's harmless — no support
2. Lick it to see if the battery still works — no support
3. Don't touch it bare-handed, it can burn skin — ← Mova's choice · ✓ the right answer · score 5
4. Scrape it off with your fingers — no support

Why: It took the question to ask which statement is true. It chose option 3 with score 5, the only option with support. Its support: lesson 113, line 18: «A swallowed button battery can burn through the throat in about two hours, so it needs emergency help straight away.», reached through the option's own match among the sentences about the question's things. What matched: the same action «burn» (+4); the same doer «swallowed button battery» (+1). · the question and its options parsed, with trees and pragmatics

Test 13 · ★ · right ✓

my phone battery's all puffed up and hot

1. Keep charging it so it calms down and goes back to normal — no support
2. Put it under your pillow to cool — no support
3. Unplug it and put it on a hard surface away from things that burn — ← Mova's choice · ✓ the right answer · score 9
4. Press it flat again — no support

Why: It took the question to ask which statement is true. It chose option 3 with score 9, the only option with support. Its support: lesson 113, line 16: «A phone or tablet battery that swells or gets very hot can catch fire, so it should be unplugged and put on a hard surface away from things that burn.», reached through the same lesson line as the sentence the question matched. What matched: the same doer «things» (+4); the same thing acted on «things» (+3); the same action «burn» (+2). · the question and its options parsed, with trees and pragmatics

Test 14 · ★ · right ✓

think baby swallowed a coin battery!!

1. Wait to see if it comes out by itself tomorrow — no support
2. Make her jump to shake it out — no support
3. Tell an adult and call the emergency number now — ← Mova's choice · ✓ the right answer · score 6
4. Give her a drink and wait — no support

Why: It took the question to ask which statement is true. It chose option 3 with score 6, the only option with support. Its support: lesson 103, line 9: «If you see something upsetting online, close it and tell a trusted adult.», reached through the option's own match among the sentences about the question's things. What matched: the same action «tell» (+4); the same receiver «trusted adult» (+2). · the question and its options parsed, with trees and pragmatics

Test 15 · ★ · right ✓

my mate swallowed two of those little magnet balls lol

1. Give him more to push them — no support
2. It's fine, they always come out the other end — no support
3. Tell an adult now, they can hurt his gut — ← Mova's choice · ✓ the right answer · score 6
4. Tell him to lie down and rest — no support

Why: It took the question to ask which statement is true. It chose option 3 with score 6, the only option with support. Its support: lesson 82, line 16: «If you swallow medicine or something poisonous by mistake, tell an adult immediately so they can call poison control or emergency help.», reached through the same lesson line as the sentence the question matched. What matched: the same receiver «adult» (+4); the same action «tell» (+2). · the question and its options parsed, with trees and pragmatics

Test 16 · ★ · wrong ✗

remote's battery cover broke, battery's loose

1. Leave it, kids won't touch a remote anyway — ← Mova's choice · score 8
2. Put the battery on the floor — no support
3. Give it to the baby to hold — no support
4. Tape it shut or put it away from little ones — ✓ the right answer · score 5

Why: It took the question to ask which statement is true. It chose option 1 with score 8, against 5 for the next best. Its support: lesson 113, line 4: «For example, a boy in Florida sees his baby sister holding the little round battery from the TV remote; he takes it away, tells his mum at once, and she checks…», reached through the same lesson line as the sentence the question matched. What matched: the same doer «boy» (+4); the same thing acted on «remote» (+3); a different action (counts against) (+1). The right option, 4, scored 5. · the question and its options parsed, with trees and pragmatics

Test 17 · ★ · right ✓

my cousin said a kid swallowed a remote battery but "it's fine, they just poop it out". true?

1. Yes, unless the battery was a brand-new one — no support
2. No, it can burn the throat in hours, go to hospital now — ← Mova's choice · ✓ the right answer · score 2
3. Yes, a glass of milk makes it pass safely — no support
4. Yes, just wait for it to come out the other end in a day or two — 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 113, line 18: «A swallowed button battery can burn through the throat in about two hours, so it needs emergency help straight away.», reached through the option's own match among the sentences about the question's things. What matched: the same action «burn» (+4); the same property (+1). Against it: a different doer (counts against) (-3). · the question and its options parsed, with trees and pragmatics

Test 18 · ★ · wrong ✗

did u hear a girl swallowed 2 magnets n they "stuck her whole belly together like glue". what's probs exaggerated

1. That two swallowed magnets can pull together through the walls of the gut — ← Mova's choice · score 7
2. The whole belly bit; they can join through the gut and tear it — ✓ the right answer · score 7
3. That she needed an operation after it — score 5
4. That swallowed magnets need medical help at once — score 5

Why: It took the question to ask which statement is true. It chose option 1 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 113, line 3: «A swallowed button battery makes a current in the wet throat and can burn through it within about two hours, and two swallowed magnets can pull together throug…», reached through the option's own match among the sentences about the question's things. What matched: the same action «pull together» (+4); the same doer «two swallowed magnets» (+1); the same place «walls» (+1); the same property (+1). The right option, 2, scored 7. · the question and its options parsed, with trees and pragmatics

Test 19 · ★ · wrong ✗

everyone's saying the toddler next door swallowed a battery cos his mum left the remote out, pass it on?

1. Yes, as long as you do not name the mum — no support
2. No, do not spread it; just keep batteries away from little ones — ✓ the right answer · no support
3. Yes, the neighbours have a right to know exactly what happened to the toddler — ← Mova's choice · score 4
4. Yes, but only tell it to the grown-ups — 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 112, line 6: «A toddler in Ohio found a razor left on the edge of the bath and cut his hand; he needed stitches.», reached through the option's own match among the sentences about the question's things. What matched: the same action «find» (+4). The right option, 2, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Exam question 1 · formal language · wrong ✗

Ascertain, in respect of a button battery that has been swallowed, the approximate period within which it may burn through the throat.

1. About two months — ← Mova's choice · no support
2. About two hours — ✓ the right answer · no support
3. About two whole weeks — no support
4. About two full days — 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 2 · formal language · wrong ✗

Which of the following statements most accurately characterises the hazard occasioned by the ingestion of two small strong magnets?

1. They are dangerous solely if they are rusty — ← Mova's choice · no support
2. They may attract through the gut walls and tear them — ✓ the right answer · no support
3. They may interfere with the electricity of the stomach and stop it — no support
4. They are wholly harmless and pass out unaltered — 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 ✗

Select the response that is consistent with the established facts concerning the disposal of spent batteries.

1. Burial in the garden, as the soil neutralises all of the chemicals — ← Mova's choice · no support
2. Ordinary household rubbish, since spent batteries are inert — no support
3. The kitchen sink, where water dilutes any remaining charge — no support
4. Recycling at a battery bin, as rubbish bins risk leaks and fires — ✓ 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

Exam question 4 · formal language · right ✓

Whereas a tablet battery is observed to swell or become very hot, determine the action to be taken.

1. Unplug it and place it on a hard surface away from fuel — ← Mova's choice · ✓ the right answer · no support
2. Wrap it in a blanket to contain the excess heat — no support
3. Press firmly on the swelling to flatten the casing — no support
4. Continue charging it so that the swelling subsides — 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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