---
title: Identify the principal reason for which one should keep low to the f… — First aid and safety · tree and pragmatics
description: Identify the principal reason for which one should keep low to the floor in a fire. Exam question 3 of lesson 39 «First aid and safety» of the world course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was right.
---

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# Exam question 3 · First aid and safety

<!-- .ven lang=en -->
Identify the principal reason for which one should keep low to the floor in a fire.

<!-- .vintro -->
**Mova's choice:** option 2 · **The right answer:** option 2 · right ✓ · **Who acts:** you, one · **What happens:** identify, keep · **To what, where:** principal reason, fire

<!-- .vabout -->
This is exam question 3 of lesson 39 «First aid and safety» of the world course of Mova's primary school, asked in stiff, formal language. 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/world/39-first-aid-and-safety/#e3).

## The question {#question}

```conllu
# sent_id = question:world:39-first-aid-and-safety:e3:1
# text = Identify the principal reason for which one should keep low to the floor in a fire.
1	Identify	identify	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
3	principal	principal	ADJ	JJ	Degree=Pos	4	amod	_	_
4	reason	reason	NOUN	NN	Number=Sing	1	obj	_	_
5	for	for	ADP	IN	_	6	case	_	_
6	which	which	PRON	WDT	PronType=Rel	9	obl	_	_
7	one	one	NOUN	NN	Number=Sing	9	nsubj	_	_
8	should	should	AUX	MD	VerbForm=Fin	9	aux	_	_
9	keep	keep	VERB	VB	VerbForm=Inf	4	parataxis	_	_
10	low	low	ADJ	JJ	Degree=Pos	9	xcomp	_	_
11	to	to	ADP	IN	_	13	case	_	_
12	the	the	DET	DT	Definite=Def|PronType=Art	13	det	_	_
13	floor	floor	NOUN	NN	Number=Sing	10	obl	_	_
14	in	in	ADP	IN	_	16	case	_	_
15	a	a	DET	DT	Definite=Ind|PronType=Art	16	det	_	_
16	fire	fire	NOUN	NN	Number=Sing	9	obl	_	SpaceAfter=No
17	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **identify** | imperative | you *not said here* | the principal reason |  |  |  |  | vn characterize-29.2-1-1 «NP V NP S\_ING»: agent=Agent reason=Theme |
| 2 | **keep** | should | one |  |  | a fire |  | for the principal reason; low *property* | vn keep-15.2 «NP V NP PP.location»: agent=Agent in fire=Location |

<!-- .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 {#o1}

<!-- .ven lang=en -->
Fire does not burn near the floor, only higher up the walls

```conllu
# sent_id = question:world:39-first-aid-and-safety:e3:o1:1
# text = Fire does not burn near the floor, only higher up the walls
1	Fire	fire	NOUN	NN	Number=Sing	4	nsubj	_	_
2	does	do	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux	_	_
3	not	not	PART	RB	Polarity=Neg	4	advmod	_	_
4	burn	burn	VERB	VB	VerbForm=Inf	0	root	_	_
5	near	near	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	floor	floor	NOUN	NN	Number=Sing	4	obl	_	SpaceAfter=No
8	,	,	PUNCT	,	_	10	punct	_	_
9	only	only	ADV	RB	_	10	advmod	_	_
10	higher	high	ADJ	JJR	Degree=Cmp	4	parataxis	_	_
11	up	up	ADP	IN	_	13	case	_	_
12	the	the	DET	DT	Definite=Def|PronType=Art	13	det	_	_
13	walls	wall	NOUN	NNS	Number=Plur	10	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **burn** | present · do-support | Fire |  |  | the floor |  |  | vn light\_emission-43.1 «NP V PP.location»: agent=Theme near floor=Location |

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

<!-- .ven lang=en -->
Smoke rises, and the cleanest air lies near the floor

```conllu
# sent_id = question:world:39-first-aid-and-safety:e3:o2:1
# text = Smoke rises, and the cleanest air lies near the floor
1	Smoke	smoke	NOUN	NN	Number=Sing	2	nsubj	_	_
2	rises	rise	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	SpaceAfter=No
3	,	,	PUNCT	,	_	8	punct	_	_
4	and	and	CCONJ	CC	_	8	cc	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
6	cleanest	clean	ADJ	JJS	Degree=Sup	7	amod	_	_
7	air	air	NOUN	NN	Number=Sing	8	nsubj	_	_
8	lies	lie	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	conj	_	_
9	near	near	ADP	IN	_	11	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	floor	floor	NOUN	NN	Number=Sing	8	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **rise** | present | Smoke |  |  |  |  |  | vn assuming\_position-50 «NP V»: agent=Agent |
| 2 | **lie** | present | the cleanest air |  |  | the floor |  |  | vn assuming\_position-50 «NP V PP.location»: agent=Agent near floor=Location |

### Option 3 {#o3}

<!-- .ven lang=en -->
It is quicker to crawl than to walk

```conllu
# sent_id = question:world:39-first-aid-and-safety:e3:o3:1
# text = It is quicker to crawl than to walk
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	quicker	quick	ADJ	JJR	Degree=Cmp	0	root	_	_
4	to	to	PART	TO	_	5	mark	_	_
5	crawl	crawl	VERB	VB	VerbForm=Inf	3	xcomp	_	_
6	than	than	SCONJ	IN	_	8	mark	_	_
7	to	to	PART	TO	_	8	mark	_	_
8	walk	walk	VERB	VB	VerbForm=Inf	3	advcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | It |  |  |  |  | quick *property* | tree rules |
| 2 | **crawl** | to-infinitive |  |  |  |  |  |  | vn run-51.3.2 «NP V»: agent=Theme |
| 3 | **walk** | to-infinitive |  |  |  |  |  |  | vn run-51.3.2-2-1 «NP V»: agent=Theme |

### Option 4 {#o4}

<!-- .ven lang=en -->
The floor is cooler than the flames

```conllu
# sent_id = question:world:39-first-aid-and-safety:e3:o4:1
# text = The floor is cooler than the flames
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	floor	floor	NOUN	NN	Number=Sing	4	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
4	cooler	cool	ADJ	JJR	Degree=Cmp	0	root	_	_
5	than	than	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	flames	flame	NOUN	NNS	Number=Plur	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | the floor |  |  |  |  | than the flames; cool *property* | tree rules |

<!-- div src -->

**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.

<!-- /div -->

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