---
title: In a smoky hallway, why is a child crawling safer than an adult walk… — Thinking it through: the science behin… · tree and pragmatics
description: In a smoky hallway, why is a child crawling safer than an adult walking tall? Test 4 · ★★★ of lesson 40 «Thinking it through: the science behind home safety» of the everyday course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was
---

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# Test 4 · ★★★ · Thinking it through: the science behind home safety

<!-- .ven lang=en -->
In a smoky hallway, why is a child crawling safer than an adult walking tall?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** child, adult · **What happens:** crawl, walk · **To what, where:** smoky hallway

<!-- .vabout -->
This is test 4 · ★★★ of lesson 40 «Thinking it through: the science behind home safety» 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/40-home-safety-reasoning/#t4).

## The question {#question}

```conllu
# sent_id = question:everyday:40-home-safety-reasoning:t4:1
# text = In a smoky hallway, why is a child crawling safer than an adult walking tall?
1	In	in	ADP	IN	_	4	case	_	_
2	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
3	smoky	smoky	ADJ	JJ	Degree=Pos	4	amod	_	_
4	hallway	hallway	NOUN	NN	Number=Sing	10	obl	_	SpaceAfter=No
5	,	,	PUNCT	,	_	4	punct	_	_
6	why	why	ADV	WRB	PronType=Int	10	advmod	_	_
7	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	10	aux	_	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
9	child	child	NOUN	NN	Number=Sing	10	nsubj	_	_
10	crawling	crawl	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
11	safer	safe	ADJ	JJR	Degree=Cmp	10	xcomp	_	_
12	than	than	ADP	IN	_	14	case	_	_
13	an	a	DET	DT	Definite=Ind|PronType=Art	14	det	_	_
14	adult	adult	NOUN	NN	Number=Sing	11	obl	_	_
15	walking	walk	VERB	VBG	VerbForm=Ger	14	acl	_	_
16	tall	tall	ADJ	JJ	Degree=Pos	15	xcomp	_	SpaceAfter=No
17	?	?	PUNCT	.	_	10	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **crawl** | present · progressive | a child |  |  | a smoky hallway |  | safe *property* | vn run-51.3.2 «NP V PP.location»: agent=Theme in hallway=Trajectory |
| 2 | **walk** | gerund | a adult *not said here* |  |  |  |  | tall *property* | vn run-51.3.2-2-1 «NP V»: agent=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.

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
Fire only burns upward, never along the floor

```conllu
# sent_id = question:everyday:40-home-safety-reasoning:t4:o1:1
# text = Fire only burns upward, never along the floor
1	Fire	fire	NOUN	NN	Number=Sing	3	nsubj	_	_
2	only	only	ADV	RB	_	3	advmod	_	_
3	burns	burn	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	upward	upward	ADV	RB	_	3	advmod	_	SpaceAfter=No
5	,	,	PUNCT	,	_	9	punct	_	_
6	never	never	ADV	RB	PronType=Neg	9	advmod	_	_
7	along	along	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	floor	floor	NOUN	NN	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **burn** | present | Fire |  |  | the floor |  | upward *property* | vn light\_emission-43.1 «NP V PP.location»: agent=Theme along floor=Location |

### Option 2 {#o2}

<!-- .ven lang=en -->
The child is lighter, so the smoke floats past them and avoids them

```conllu
# sent_id = question:everyday:40-home-safety-reasoning:t4:o2:1
# text = The child is lighter, so the smoke floats past them and avoids them
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	child	child	NOUN	NN	Number=Sing	4	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
4	lighter	light	ADJ	JJR	Degree=Cmp	0	root	_	SpaceAfter=No
5	,	,	PUNCT	,	_	9	punct	_	_
6	so	so	ADV	RB	_	9	advmod	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	smoke	smoke	NOUN	NN	Number=Sing	9	nsubj	_	_
9	floats	float	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	conj	_	_
10	past	past	ADP	IN	_	11	case	_	_
11	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	9	obl	_	_
12	and	and	CCONJ	CC	_	13	cc	_	_
13	avoids	avoid	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	9	conj	_	_
14	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	13	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | the child |  |  |  |  | light *property* | tree rules |
| 2 | **float** | present | the smoke |  |  |  |  | past them *= they* | vn run-51.3.2-2 «NP V PP.location»: agent=Theme past they=Trajectory |
| 3 | **avoid** | present | the smoke *not said here* | them *= they* |  |  |  |  | vn avoid-52 «NP V NP.location»: agent=Agent they=Location |

### Option 3 · ✓ the right answer {#o3}

<!-- .ven lang=en -->
The child's face is in the cooler, cleaner air near the floor

```conllu
# sent_id = question:everyday:40-home-safety-reasoning:t4:o3:1
# text = The child's face is in the cooler, cleaner air near the floor
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	child	child	NOUN	NN	Number=Sing	4	nmod:poss	_	SpaceAfter=No
3	's	's	PART	POS	_	2	case	_	_
4	face	face	NOUN	NN	Number=Sing	11	nsubj	_	_
5	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	11	cop	_	_
6	in	in	ADP	IN	_	11	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
8	cooler	cool	ADJ	JJR	Degree=Cmp	11	amod	_	SpaceAfter=No
9	,	,	PUNCT	,	_	8	punct	_	_
10	cleaner	clean	ADJ	JJR	Degree=Cmp	11	amod	_	_
11	air	air	NOUN	NN	Number=Sing	0	root	_	_
12	near	near	ADP	IN	_	14	case	_	_
13	the	the	DET	DT	Definite=Def|PronType=Art	14	det	_	_
14	floor	floor	NOUN	NN	Number=Sing	11	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | the child's face |  |  | the cooler cleaner air |  | near the floor | tree rules |

### Option 4 {#o4}

<!-- .ven lang=en -->
Smoke cannot get into small lungs

```conllu
# sent_id = question:everyday:40-home-safety-reasoning:t4:o4:1
# text = Smoke cannot get into small lungs
1	Smoke	smoke	NOUN	NN	Number=Sing	4	nsubj	_	_
2	can	can	AUX	MD	VerbForm=Fin	4	aux	_	SpaceAfter=No
3	not	not	PART	RB	Polarity=Neg	4	advmod	_	_
4	get	get	VERB	VB	VerbForm=Inf	0	root	_	_
5	into	into	ADP	IN	_	7	case	_	_
6	small	small	ADJ	JJ	Degree=Pos	7	amod	_	_
7	lungs	lung	NOUN	NNS	Number=Plur	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **get** | can | Smoke |  |  | small lungs |  |  | vn escape-51.1 «NP V PP.destination»: agent=Theme into lung=Destination |

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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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- ← previous: [Thinking it through: the science behin…, test 3](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/40-home-safety-reasoning/t3/)
- next →: [Thinking it through: the science behin…, test 5](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/40-home-safety-reasoning/t5/)
- ↑ back to [Thinking it through: the science behind home safety](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/40-home-safety-reasoning/)