Safe at lakes and beaches

Tests: 14 of 19 right · Exam: 2 of 4 right · Kind: ★★ · Understood: 18 of 23 · Run: 2026-10-18, commit f3c23ea72

Lesson 232 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 girl in Ireland sees two beaches: one with lifeguards and red and yellow flags, one empty and quiet. Where is it safer to swim?

1. At the empty beach, as nobody is in the way — no support
2. Either, as long as she swims fast — score -2
3. At the empty beach, near the rocks — ← Mova's choice · score 6
4. Between the flags at the lifeguarded beach — ✓ the right answer · no support

Why: It took the question to ask where. It chose option 3 with score 6, against -2 for the next best. Its support: lesson 232, line 2: «The safest place to swim at a beach is where lifeguards watch. In the UK, Ireland, Australia and New Zealand that area is marked by red and yellow flags. In a…», reached through the option's own match among the sentences about the question's things. What matched: the same property (+3); it fills the role the question asks for (+2); the same place «beach» (+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 boy in Minnesota jumps straight into a very cold lake and gasps, swallowing water. What lesson should he learn?

1. He should have jumped in head first — no support
2. Get into cold water slowly — ✓ the right answer · no support
3. Gasping means he is swimming well — no support
4. Cold water is only dangerous in winter — ← Mova's choice · score 7

Why: It took the question to ask who or what does it. It chose option 4 with score 7, the only option with support. Its support: lesson 44, line 5: «A boy on a Queensland beach who fights straight back against a rip gets tired and frightened, while the boy who floats or swims sideways soon escapes it, becau…», 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 «rip» (+2); the same light verb (be, have, do, get, go) (+2). The right option, 2, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 3 · ★★ · right ✓

A family finds a little cone shell with a lovely pattern in a rock pool in Western Australia. Why should they leave it?

1. Its sting can kill, even though it looks pretty — ← Mova's choice · ✓ the right answer · no support
2. Shells start to smell bad once they are dried out at home — no support
3. It is much too heavy for a child to carry — no support
4. It is against the rules to take sand — 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 4 · ★★ · wrong ✗

Children on a sandbank notice the water rising around them. What should they have done?

1. Dug a deeper hole to stand in — score 3
2. Brought a much bigger bucket to scoop the water away — ← Mova's choice · score 8
3. Gone out even further, where the sand stays drier — score 7
4. Checked the tide times before going out — ✓ the right answer · score 5

Why: It took the question to ask what is done. It chose option 2 with score 8, against 7 for the next best. Its support: lesson 29, line 21: «Soap loosens dirt and germs so that water can rinse them away; water alone washes off much less.», reached through the option's own match among the sentences about the question's things. What matched: the same property (+5); the same thing acted on «soap» (+3). The right option, 4, scored 5. · the question and its options parsed, with trees and pragmatics

Test 5 · ★★ · right ✓

Why is a tunnel in the sand more dangerous than a shallow castle moat?

1. The tunnel can collapse and bury a child — ← Mova's choice · ✓ the right answer · no support
2. Tunnels fill up with seawater the instant they are dug — no support
3. Moats are where the crabs live — no support
4. Castles are protected from the sea by the tide — 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 6 · ★★ · right ✓

A boy finds an orange tube with writing on it in the seaweed. It might be a flare. What should he do?

1. Throw it back in the sea — no support
2. Take it home to keep in his room as a souvenir — score 6
3. Hit it hard on a rock to get it open — score 3
4. Leave it and tell a lifeguard or grown-up — ← Mova's choice · ✓ the right answer · score 7

Why: It took the question to ask what is done. It chose option 4 with score 7, against 6 for the next best. Its support: lesson 215, line 17: «When you receive a gift, you say thank you and maybe write a card, to show you value the giver's kindness.», 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 «say» (+3). · the question and its options parsed, with trees and pragmatics

Test 7 · ★★ · wrong ✗

A girl wants to keep a crab from a rock pool in her bucket all afternoon. Why is that unkind?

1. Crabs do not like the colour of buckets — ← Mova's choice · no support
2. It can die out of its home water — ✓ the right answer · no support
3. Crabs will escape and bite her later — no support
4. Keeping it is fine if she adds sand — 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 8 · ★★ · right ✓

Why do people on a boat trip need life jackets even if they can swim?

1. Boats tip over, and a life jacket keeps you afloat when tired or hurt — ← Mova's choice · ✓ the right answer · score 7
2. Life jackets keep you warm when you sit out in the sun — score 6
3. They are just for show, so the photos look nice — no support
4. Only bad swimmers ever fall into the water from boats — no support

Why: It took the question to ask why something happens (its cause). It chose option 1 with score 7, against 6 for the next best. Its support: lesson 232, line 8: «In a boat or canoe always wear a life jacket that fits and stay seated, because boats can tip over and a life jacket keeps you afloat even when you are tired o…», reached through the option's own match among the sentences about the question's things. What matched: the same action «keep» (+4); the same doer «life jacket» (+2); the same property (+1). · the question and its options parsed, with trees and pragmatics

Test 9 · ★★ · right ✓

A dog runs up to a sea lion resting on the beach. What could happen?

1. The sea lion will go back to sea happily — no support
2. The sea lion will want to play chase with the dog — score -2
3. The sea lion could bite, as it is resting and wild — ← Mova's choice · ✓ the right answer · score 4
4. Nothing, because sea lions are always gentle with animals — no support

Why: It took the question to ask what happens next. It chose option 3 with score 4, against -2 for the next best. Its support: lesson 232, line 20: «Keep far away from seals and sea lions resting on the beach and keep dogs on a lead, because they can bite.», reached through the option's own match among the sentences about the question's things. What matched: the same action «rest» (+2); the same doer «seals» (+2). · the question and its options parsed, with trees and pragmatics

Test 10 · ★★ · right ✓

lifeguard flags red n yellow over there, where do i swim

1. Next to the black flag — no support
2. Between the red and yellow flags — ← Mova's choice · ✓ the right answer · score 6
3. Anywhere you like — no support
4. Outside the flags where it's quiet — no support

Why: It took the question to ask which statement is true. It chose option 2 with score 6, the only option with support. Its support: lesson 232, line 2: «The safest place to swim at a beach is where lifeguards watch. In the UK, Ireland, Australia and New Zealand that area is marked by red and yellow flags. In a…», reached through the same lesson line as the sentence the question matched. What matched: the same doer «red flags» (+3); the same property (+3). · the question and its options parsed, with trees and pragmatics

Test 11 · ★★ · right ✓

digging a massive hole, already up to my chest lol

1. Stop, keep it no deeper than your knees — ← Mova's choice · ✓ the right answer · score 4
2. Dig a tunnel out to the side as well — score -4
3. Climb in and get ur mates to cover u up — no support
4. Keep going, the deeper the better — score 3

Why: It took the question to ask which statement is true. It chose option 1 with score 4, against 3 for the next best. Its support: lesson 232, line 12: «Keep sand holes no deeper than your knees and never dig tunnels, because sand collapses and can bury a person.», reached through the remembered sentence the question matched. What matched: the same property (+2); the same action «keep» (+1); the same thing acted on «sand holes» (+1). · the question and its options parsed, with trees and pragmatics

Test 12 · ★★ · right ✓

lake's got green scummy stuff on top, can the dog swim

1. No, it may be poisonous algae, keep the dog out — ← Mova's choice · ✓ the right answer · score 5
2. Yes, dogs can't get sick from lake water — score -1
3. Yes, it's just weeds, they wash off — no support
4. Only if the dog swims fast — no support

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 232, line 9: «Blue-green scum on a lake can be poisonous algae, so do not swim and keep dogs out.», reached through the option's own match among the sentences about the question's things. What matched: the same thing acted on «dogs» (+3); the same action «keep out» (+2). · the question and its options parsed, with trees and pragmatics

Test 13 · ★★ · right ✓

found a weird metal drum washed up, can i open it?

1. Roll it back into the sea — no support
2. Yes, it might have treasure inside — no support
3. Yes, if you poke the lid off with a long stick — no support
4. No, don't touch it, tell a grown-up or lifeguard — ← Mova's choice · ✓ the right answer · score 3

Why: It took the question to ask which statement is true. It chose option 4 with score 3, the only option with support. Its support: lesson 232, line 19: «Do not touch strange metal objects, drums or flares on the beach; tell a grown-up or lifeguard.», reached through a sentence linked to the one the question matched. What matched: the same thing acted on «grown up» (+2); the same action «tell» (+1). · the question and its options parsed, with trees and pragmatics

Test 14 · ★★ · right ✓

swim past the flags? water's calm

1. Yes, if it's calm that's fine — score -1
2. Yes, the lifeguard will still see u out there — no support
3. Only for a minute — no support
4. No, always swim between the flags — ← Mova's choice · ✓ the right answer · score 1

Why: It took the question to ask which statement is true. It chose option 4 with score 1, against -1 for the next best. Its support: lesson 44, line 8: «You should always swim at a beach with lifeguards.», reached through the option's own match among the sentences about the question's things. What matched: the same action «swim» (+2). Against it: the same property (-1). · the question and its options parsed, with trees and pragmatics

Test 15 · ★★ · right ✓

caught in a rip, it's pulling me out

1. Float, stay calm, raise a hand and swim sideways — ← Mova's choice · ✓ the right answer · no support
2. Swim straight back to shore as hard as you can — no support
3. Dive under to escape the pull — no support
4. Take off your swimsuit so you're lighter n faster — 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 16 · ★★ · wrong ✗

Why do many children drown with people nearby?

1. Children only ever drown in very deep water far away from people — ← Mova's choice · score 9
2. Drowning is quick and silent, with no shouting or waving — ✓ the right answer · no support
3. It only happens when the lifeguard is on a break — no support
4. Drowning children always splash and scream loudly for help — score 6

Why: It took the question to ask why something happens (its cause). It chose option 1 with score 9, against 6 for the next best. 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 the option's own match among the sentences about the question's things. What matched: the same action «drown» (+4); the same place «shallow water» (+3); the same doer «young children» (+2). The right option, 2, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 17 · ★★ · right ✓

did u hear a kid dug a massive hole at the beach and it caved in on him and they had to dig him out? real lesson?

1. Dig fast before it caves in — no support
2. Dig only in wet sand, because wet sand never falls in — no support
3. Only grown-ups can get buried by sand, kids are too light — score 3
4. Keep sand holes no deeper than your knees, no tunnels — ← 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, against 3 for the next best. Its support: lesson 232, line 12: «Keep sand holes no deeper than your knees and never dig tunnels, because sand collapses and can bury a person.», reached through the option's own match among the sentences about the question's things. What matched: the same thing acted on «sand holes» (+3); the same action «keep» (+2). Against it: the same property (-1). · the question and its options parsed, with trees and pragmatics

Test 18 · ★★ · right ✓

apparently a dog swam in the green lake and died that same night, everyone at the dog park's saying it. true lesson?

1. Blue-green scum can be poisonous; keep out and keep dogs out — ← Mova's choice · ✓ the right answer · score 5
2. Lakes are always safe for dogs, whatever colour the water — score -1
3. Only brown water is dangerous — no support
4. The dog must have been ill already before it went in the water — no support

Test 19 · ★★ · right ✓

my mate says when someone's drowning they scream and splash like in the films so u'd definitely notice. right?

1. No, drowning is often quick and silent — ← Mova's choice · ✓ the right answer · score 4
2. Yes, and they wave both arms above their heads — no support
3. Yes, they always shout for help really loudly — score 2
4. Yes, so you don't really need to watch them — score 3

Why: It took the question to ask which statement is true. It chose option 1 with score 4, against 3 for the next best. Its support: lesson 232, line 21: «Drowning is quick and silent: a drowning child often cannot shout or wave.», reached through the remembered sentence the question matched. What matched: the same doer «drowning» (+2); the same property (+2). · the question and its options parsed, with trees and pragmatics

Exam question 1 · formal language · right ✓

Identify the area of a beach patrolled by lifeguards in which one is to swim.

1. Wherever the waves are largest — no support
2. Near the rocks at the far end — no support
3. Between the red and yellow flags — ← Mova's choice · ✓ the right answer · score 7
4. Outside the flags, where it is quieter — no support

Why: It took the question to ask which statement is true. It chose option 3 with score 7, the only option with support. Its support: lesson 232, line 11: «At beaches with lifeguards, swim between the red and yellow flags, the area they watch.», reached through the same lesson line as the sentence the question matched. What matched: the same circumstance (+4); the same property (+3). · 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 appearance of a drowning child?

1. The child calls out repeatedly and loudly for help from the shore — score 7
2. The child waves both arms above the head — ← Mova's choice · score 10
3. The child invariably screams and splashes in a manner none could miss — score 7
4. The child is often silent and unable to shout or wave — ✓ the right answer · score 10

Why: It took the question to ask who or what does it. It chose option 2 with score 10, tied with another option at 10 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 232, line 21: «Drowning is quick and silent: a drowning child often cannot shout or wave.», reached through the same lesson line as the sentence the question matched. What matched: the same action «wave» (+5); it fills the role the question asks for (+3); the same doer «drowning child» (+2). The right option, 4, scored 10. · the question and its options parsed, with trees and pragmatics

Exam question 3 · formal language · wrong ✗

Select the response consistent with established practice upon seeing a strange metal drum or flare on the beach.

1. It is thrown back into the sea — ← Mova's choice · no support
2. It is carried home as a souvenir — no support
3. It is not touched, and an adult or lifeguard is informed — ✓ the right answer · no support
4. It is opened to inspect its contents — 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 ✓

Ascertain the reason for which cold water is entered slowly.

1. Cold water causes gasping and tires the muscles rapidly — ← Mova's choice · ✓ the right answer · score 2
2. Cold water causes the skin to grow warmer — score 2
3. Quick entry is forbidden by lifeguards on all public beaches — no support
4. Slow entry makes the water itself grow warmer around the swimmer — no support

Why: It took the question to ask which statement is true. 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 232, line 7: «Cold water makes you gasp and tires your muscles fast, so get in slowly, stay near the shore and get out if you shiver.», reached through the option's own match among the sentences about the question's things. What matched: the same action «make» (+2). · the question and its options parsed, with trees and pragmatics

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