---
title: A toddler next door could reach the pool because the gate was proppe… — The sea, waves and swimming pools · tree and pragmatics
description: A toddler next door could reach the pool because the gate was propped open. Why do pools have fences? Test 5 · ★★ of lesson 233 «The sea, waves and swimming pools» of the everyday course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choi
---

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# Test 5 · ★★ · The sea, waves and swimming pools

<!-- .ven lang=en -->
A toddler next door could reach the pool because the gate was propped open. Why do pools have fences?

<!-- .vintro -->
**Mova's choice:** option 2 · **The right answer:** option 2 · right ✓ · **Who acts:** toddler, pools · **What happens:** reach, prop, have · **To what, where:** pool, gate, fences

<!-- .vabout -->
This is test 5 · ★★ of lesson 233 «The sea, waves and swimming pools» of the everyday course of Mova's primary school. The page gives the question's syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause, then the 4 options as the student saw them, each with its tree and pragmatics. Every text is parsed by Mova itself. How the student answered it, with the score of every option and why: [the test at school](https://md.mova.elamur.ai/free/en/school-run/everyday/233-sea-and-pools/#t5).

## The question {#question}

<!-- .note -->
*Sentence 1:* A toddler next door could reach the pool because the gate was propped open.

```conllu
# sent_id = question:everyday:233-sea-and-pools:t5:1
# text = A toddler next door could reach the pool because the gate was propped open.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	toddler	toddler	NOUN	NN	Number=Sing	6	nsubj	_	_
3	next	next	ADJ	JJ	Degree=Pos	4	amod	_	_
4	door	door	NOUN	NN	Number=Sing	2	nmod	_	_
5	could	could	AUX	MD	VerbForm=Fin	6	aux	_	_
6	reach	reach	VERB	VB	VerbForm=Inf	0	root	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	pool	pool	NOUN	NN	Number=Sing	6	obj	_	_
9	because	because	SCONJ	IN	_	13	mark	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	gate	gate	NOUN	NN	Number=Sing	13	nsubj:pass	_	_
12	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	13	aux:pass	_	_
13	propped	prop	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	6	advcl	_	_
14	open	open	ADJ	JJ	Degree=Pos	13	xcomp	_	SpaceAfter=No
15	.	.	PUNCT	.	_	6	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **reach** | could | a toddler  next door | the pool |  |  |  |  | vn body\_motion-49.2-1-1 «NP V NP ADV»: agent=Agent pool=Theme |
| 2 | **prop** | past · passive |  | the gate |  |  |  | open *property* | vn put\_spatial-9.2 «NP V NP PP.destination»: subject=Theme |

<!-- .note -->
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

<!-- .note -->
*Sentence 2:* Why do pools have fences?

```conllu
# sent_id = question:everyday:233-sea-and-pools:t5:2
# text = Why do pools have fences?
1	Why	why	ADV	WRB	PronType=Int	4	advmod	_	_
2	do	do	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	aux	_	_
3	pools	pool	NOUN	NNS	Number=Plur	4	nsubj	_	_
4	have	have	VERB	VB	VerbForm=Inf	0	root	_	_
5	fences	fence	NOUN	NNS	Number=Plur	4	obj	_	SpaceAfter=No
6	?	?	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have** | present · do-support | pools | fences |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent fence=Patient |

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
To keep the autumn leaves out of the water

```conllu
# sent_id = question:everyday:233-sea-and-pools:t5:o1:1
# text = To keep the autumn leaves out of the water
1	To	to	PART	TO	_	2	mark	_	_
2	keep	keep	VERB	VB	VerbForm=Inf	5	csubj	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	autumn	autumn	NOUN	NN	Number=Sing	2	obj	_	_
5	leaves	leave	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	out	out	ADP	IN	_	9	case	_	_
7	of	of	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	water	water	NOUN	NN	Number=Sing	5	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **keep** | to-infinitive |  |  |  |  | autumn |  | vn keep-15.2 «NP V NP»: agent=Agent |
| 2 | **leave out** | present |  | the water |  |  |  |  | vn neglect-75.1 «NP V NP»: agent=Agent water=Theme |

### Option 2 · ← Mova's choice · ✓ the right answer {#o2}

<!-- .ven lang=en -->
To keep small children from falling in

```conllu
# sent_id = question:everyday:233-sea-and-pools:t5:o2:1
# text = To keep small children from falling in
1	To	to	PART	TO	_	2	mark	_	_
2	keep	keep	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
3	small	small	ADJ	JJ	Degree=Pos	4	amod	_	_
4	children	child	NOUN	NNS	Number=Plur	2	obj	_	_
5	from	from	SCONJ	IN	_	6	mark	_	_
6	falling	fall	VERB	VBG	Tense=Pres|VerbForm=Part	2	advcl	_	_
7	in	in	ADV	RB	_	6	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **keep** | to-infinitive |  | small children |  |  |  |  | vn keep-15.2 «NP V NP»: agent=Agent child=Theme |
| 2 | **fall in** | gerund |  |  |  |  |  |  | vn occur-48.3 «NP V»: agent=Theme |

### Option 3 {#o3}

<!-- .ven lang=en -->
To keep the pool water warm when the wind blows

```conllu
# sent_id = question:everyday:233-sea-and-pools:t5:o3:1
# text = To keep the pool water warm when the wind blows
1	To	to	PART	TO	_	2	mark	_	_
2	keep	keep	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
4	pool	pool	NOUN	NN	Number=Sing	5	compound	_	_
5	water	water	NOUN	NN	Number=Sing	2	obj	_	_
6	warm	warm	ADJ	JJ	Degree=Pos	2	xcomp	_	_
7	when	when	SCONJ	WRB	_	10	mark	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	wind	wind	NOUN	NN	Number=Sing	10	nsubj	_	_
10	blows	blow	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	advcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **keep** | to-infinitive |  | the pool water |  |  |  | warm *property* | vn keep-15.2 «NP V NP»: agent=Agent water=Theme |
| 2 | **blow** | present | the wind |  |  |  |  |  | vn split-23.2 «NP V apart»: agent=Patient |

### Option 4 {#o4}

<!-- .ven lang=en -->
To stop the water evaporating in the hot sun

```conllu
# sent_id = question:everyday:233-sea-and-pools:t5:o4:1
# text = To stop the water evaporating in the hot sun
1	To	to	PART	TO	_	2	mark	_	_
2	stop	stop	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	water	water	NOUN	NN	Number=Sing	2	obj	_	_
5	evaporating	evaporate	VERB	VBG	VerbForm=Ger	2	xcomp	_	_
6	in	in	ADP	IN	_	9	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
8	hot	hot	ADJ	JJ	Degree=Pos	9	amod	_	_
9	sun	sun	NOUN	NN	Number=Sing	5	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **stop** | to-infinitive |  | the water |  |  |  |  | tree rules |
| 2 | **evaporate** | gerund |  |  |  | the hot sun |  |  | vn other\_cos-45.4 «NP.patient V»: agent=Patient |

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**Text:** the tests of Mova's primary school, written for Mova (`world/data/school/`), as the course runner gave them to the student. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each text read on its own. Elamur Cosmic License.

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