The sea, waves and swimming pools

Tests: 11 of 18 right · Exam: 3 of 4 right · Kind: ★★ · Understood: 16 of 22 · Run: 2026-10-18, commit f3c23ea72

Lesson 233 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 ✗

A boy in Hawaii feels a strong earthquake at the beach. A few minutes later the water rushes out, leaving fish flapping on the sand. What should he do?

1. Pick up the fish to help them — ← Mova's choice · score 6
2. Stay on the beach to see what happens — score 6
3. Wait for a siren before moving — no support
4. Run to high ground straight away — ✓ the right answer · no support

Why: It took the question to ask what is done. 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 218, line 5: «A boy in Brisbane hears his toddler sister go quiet in the next room; he checks and finds her opening the remote control, and takes the battery away.», reached through the same lesson line as the sentence the question matched. What matched: it fills the role the question asks for (+4); the same action «hear» (+3). 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 2 · ★★ · wrong ✗

A girl in Cornwall turns round to wave at her mum while standing in the waves. A big wave knocks her down. What rule did she forget?

1. Never turn your back on the sea — ✓ the right answer · score -1
2. Big waves only come in winter — ← Mova's choice · score 5
3. Good swimmers never fall — no support
4. Always swim far from the shore — no support

Why: It took the question to ask what it is done to. It chose option 2 with score 5, against -1 for the next best. Its support: lesson 50, line 1: «Waves push water up onto the beach all the time, and that water has to flow back out to sea somewhere; it gathers and rushes back through a narrow gap, often a…», reached through the option's own match among the sentences about the question's things. What matched: the same action «come in» (+3); the same doer «waves» (+2). The right option, 1, scored -1. · the question and its options parsed, with trees and pragmatics

Test 3 · ★★ · wrong ✗

Two boys are playing at the pool. One pushes the other in near the edge. What could go wrong?

1. He will just get a little bit wet, nothing more — no support
2. He could hit the side and swallow water — ✓ the right answer · no support
3. The water will splash the lifeguard's chair — no support
4. Nothing, because pools are made to be safe for pushing — ← Mova's choice · score 5

Why: It took the question to ask who or what does it. It chose option 4 with score 5, the only option with support. Its support: lesson 233, line 3: «Pools feel safe, but most child drownings happen in home pools when nobody is watching. Pool rules are about slipping, pushing, drains and never swimming witho…», reached through the option's own match among the sentences about the question's things. What matched: the same property (+2); it fills the role the question asks for (+2); the same doer «pools» (+1). The right option, 2, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 4 · ★★ · right ✓

Most young children who drown in the USA drown where?

1. In home pools when nobody is watching — ← Mova's choice · ✓ the right answer · score 3
2. In large public pools with lifeguards — no support
3. In rivers during floods — no support
4. In the open sea far from land — no support

Why: It took the question to ask who or what does it. It chose option 1 with score 3, the only option with support. Its support: lesson 219, line 14: «Young children can drown in shallow water, so nobody plays near a pond or pool alone and paddling pools are emptied after use.», 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 «nobody» (+2). Against it: a different action (counts against) (-2). · the question and its options parsed, with trees and pragmatics

Test 5 · ★★ · right ✓

A toddler next door could reach the pool because the gate was propped open. Why do pools have fences?

1. To keep the autumn leaves out of the water — no support
2. To keep small children from falling in — ← Mova's choice · ✓ the right answer · score 5
3. To keep the pool water warm when the wind blows — no support
4. To stop the water evaporating in the hot sun — 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 233, line 18: «Close an open pool gate and tell a grown-up, because pool fences keep small children from falling in.», reached through the same lesson line as the sentence the question matched. What matched: the same thing acted on «small children» (+3); the same action «keep» (+2). · the question and its options parsed, with trees and pragmatics

Test 6 · ★★ · right ✓

A girl's sunscreen says «water resistant» but she has been swimming for two hours. What should she do?

1. Put more on, as water washes it off — ← Mova's choice · ✓ the right answer · score 6
2. Wait until she sees her skin turn red — no support
3. Only put it on her nose — no support
4. Nothing, it lasts all day once on — no support

Why: It took the question to ask what is done. It chose option 1 with score 6, the only option with support. Its support: lesson 46, line 4: «Sunscreen goes on before you go out and is put on again every two hours and after swimming, because it rubs and washes off.», reached through the same lesson line as the sentence the question matched. What matched: it fills the role the question asks for (+4); the same action «wash off» (+3). Against it: a different doer (counts against) (-1). · the question and its options parsed, with trees and pragmatics

Test 7 · ★★ · right ✓

Why should beginners not wade out until the water is at their chest?

1. Fish bite deeper in the sea — no support
2. The water out there is always far too cold for beginners — no support
3. They will lose their sandals and have to walk home barefoot — no support
4. The sea floor can drop suddenly and waves can knock them over — ← 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, the only option with support. Its support: lesson 233, line 1: «The sea moves all the time. Waves can knock a child over and roll them along the bottom, and the sea floor can suddenly drop away, so beginners stay in shallow…», reached through the cause of the sentence the question matched. What matched: the same doer «sea floor» (+3); the same property (+2); a different action (counts against) (+2). · the question and its options parsed, with trees and pragmatics

Test 8 · ★★ · wrong ✗

A boy dives down to grab a toy stuck on the pool drain. Why is that risky?

1. The lifeguard will make him leave the pool for the day — ← Mova's choice · score 7
2. Drains are always where the pool is at its shallowest — no support
3. The drain's suction can trap him under the water — ✓ the right answer · no support
4. The toy will get broken when he pulls it — score 3

Why: It took the question to ask why something happens (its cause). It chose option 1 with score 7, against 3 for the next best. Its support: lesson 65, line 16: «In play, a pet should catch the toy sometimes, because always losing makes animals stressed or snappy.», reached through the cause of the sentence the question matched. What matched: the same action «make» (+6); a different doer (counts against) (+1). The right option, 3, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 9 · ★★ · right ✓

pool's slippery, race u to the slide!!

1. Yes, run fast so you don't slip — no support
2. Only race near the deep end — no support
3. Run on tiptoes, it's safer — no support
4. No running, walk by the pool — ← Mova's choice · ✓ the right answer · 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 233, line 13: «Walk, never run, by a pool, because wet floors are slippery and falls onto tiles cause head injuries.», reached through the option's own match among the sentences about the question's things. What matched: the same action «walk» (+2). · the question and its options parsed, with trees and pragmatics

Test 10 · ★★ · right ✓

just dunking my brother under for fun, he's fine

1. Only in the shallow end — no support
2. Yes, for a few seconds only, then let go — no support
3. Yes, if he's laughing he's fine — no support
4. No, never hold anyone under water — ← Mova's choice · ✓ the right answer · score 4

Why: It took the question to ask which statement is true. It chose option 4 with score 4, the only option with support. Its support: lesson 233, line 14: «Never push, dunk or hold anyone under water, even in fun, because they can hit the side, swallow water and drown.», reached through the option's own match among the sentences about the question's things. What matched: the same thing acted on «anyone» (+3); the same action «hold» (+2); the same place «water» (+1). Against it: one says «not», the other does not (counts against) (-2). · the question and its options parsed, with trees and pragmatics

Test 11 · ★★ · right ✓

need a wee but i'm swimming. just do it in the pool?

1. Only in the deep end where it's all spread out — no support
2. Yes, the chlorine in the water cleans it all up — no support
3. No, get out and go, shower before you get back — ← Mova's choice · ✓ the right answer · score 8
4. Yes, if nobody sees — no support

Why: It took the question to ask which statement is true. It chose option 3 with score 8, the only option with support. Its support: lesson 233, line 16: «If you need the toilet while swimming, get out and go, and shower before getting back in.», reached through the same lesson line as the sentence the question matched. What matched: the same action «get out» (+5); the same property (+3). · the question and its options parsed, with trees and pragmatics

Test 12 · ★★ · right ✓

sea just went way out after that shaking, can we look for shells

1. No, run to high ground now, a tsunami is coming — ← Mova's choice · ✓ the right answer · no support
2. Yes, but stay near the water — no support
3. Wait n watch for the water to come back in first — no support
4. Yes, it's a great time for shells n stranded fish — 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 13 · ★★ · right ✓

gonna dive into the shallow end

1. No, dive only where it's deep and allowed — ← Mova's choice · ✓ the right answer · no support
2. Yes, if you go fast n flat — no support
3. Yes, it's ok if u go in hands first — no support
4. Only from the side — 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 14 · ★★ · wrong ✗

Why must the pool gate always be shut?

1. It keeps the water clean and free of dust — ← Mova's choice · no support
2. Gates are just for show and do nothing — no support
3. It stops leaves blowing in — no support
4. Small children can wander in and drown — ✓ 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 15 · ★★ · wrong ✗

big wave knocked me down, my ears hurt

1. Dive under the next wave so it can't hit u — no support
2. Swim out further, past where the waves break — ← Mova's choice · score 2
3. Get out, rest and tell an adult — ✓ the right answer · no support
4. Go back in straight away to shake it off — 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 50, line 10: «Fewer waves break over a rip, because the water there is deeper and flowing out, so a rip looks calmer.», reached through the option's own match among the sentences about the question's things. What matched: the same action «break» (+2). The right option, 3, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 16 · ★★ · right ✓

did u hear a kid dived into the shallow end and broke his neck and now he's in a wheelchair? real lesson?

1. Never dive into shallow water — ← Mova's choice · ✓ the right answer · no support
2. Shallow water is softer to land in — no support
3. Dive if you're a good swimmer — no support
4. Dive only with your eyes shut — 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 ✓

apparently a girl's hair got sucked into the pool drain and held her under. what's the true lesson?

1. Pool drains only ever pull in grown-ups, never children — no support
2. Drains only switch on at night when nobody is swimming — no support
3. Tie your hair up and then it's fine anywhere in the pool — no support
4. Keep hair, fingers and toys away from pool drains — ← Mova's choice · ✓ the right answer · score 6

Why: It took the question to ask which statement is true. It chose option 4 with score 6, the only option with support. Its support: lesson 233, line 15: «Keep hair, fingers and toys away from pool drains and outlets, because strong suction can hold you under.», reached through the remembered sentence the question matched. What matched: the same place «pool drains» (+2); the same property (+2); the same action «keep» (+1); the same thing acted on «hair» (+1). · the question and its options parsed, with trees and pragmatics

Test 18 · ★★ · wrong ✗

my mate says the sea went way out at his holiday beach and everyone ran down to look at the fish. right move?

1. Yes, the sea won't come back for hours — ← Mova's choice · no support
2. Yes, if a grown-up is with you — no support
3. No, it can mean a tsunami; run to high ground — ✓ the right answer · no support
4. Yes, it's a chance to collect shells — 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 1 · formal language · right ✓

Identify the appropriate response where the sea suddenly withdraws far from the shore following an earthquake.

1. To swim out to meet the wave before it reaches the shore — no support
2. To walk out across the sand to collect the stranded fish — no support
3. To run to high ground at once, as a tsunami approaches — ← Mova's choice · ✓ the right answer · score 9
4. To remain on the beach and watch — 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 233, line 2: «One sign everyone near a coast should know: if the ground shakes and then the sea suddenly pulls back far from the shore, a tsunami is coming. Run to high grou…», reached through the same lesson line as the sentence the question matched. What matched: the same action «run» (+5); the same circumstance (+4). · the question and its options parsed, with trees and pragmatics

Exam question 2 · formal language · right ✓

Which of the following statements most accurately characterises the holding of another person under water in play?

1. It strengthens a person's swimming and his ability to hold his breath — score 5
2. It is acceptable in a shallow pool — no support
3. It may cause him to strike the side, swallow water and drown — ← Mova's choice · ✓ the right answer · score 10
4. It is entirely harmless provided it is done only briefly — score 8

Why: It took the question to ask who or what does it. It chose option 3 with score 10, against 8 for the next best. Its support: lesson 49, line 9: «A person who stays still is easier to find than a person who keeps moving.», reached through the same lesson line as the sentence the question matched. What matched: the same action «move» (+5); it fills the role the question asks for (+3); the same doer «person» (+2). · the question and its options parsed, with trees and pragmatics

Exam question 3 · formal language · right ✓

Select the response consistent with established practice upon finding a pool gate open.

1. It is closed and an adult is informed — ← Mova's choice · ✓ the right answer · score 5
2. It is ignored if no child is near — no support
3. It is left open for others — score 1
4. It is propped open with a chair — score 1

Why: It took the question to ask which statement is true. It chose option 1 with score 5, against 1 for the next best. Its support: lesson 233, line 18: «Close an open pool gate and tell a grown-up, because pool fences keep small children from falling in.», reached through the option's own match among the sentences about the question's things. What matched: the same thing acted on «open pool gate» (+3); the same action «close» (+2). · the question and its options parsed, with trees and pragmatics

Exam question 4 · formal language · wrong ✗

Ascertain the place where most drownings of young children occur.

1. In public fountains — ← Mova's choice · no support
2. In bathtubs at school — no support
3. In deep oceans — no support
4. In home swimming pools — ✓ 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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