---
title: Identify the principal reason for which water must not be thrown upo… — Thinking it through: the science behin… · tree and pragmatics
description: Identify the principal reason for which water must not be thrown upon burning oil. Exam question 2 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 ch
---

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# Exam question 2 · Thinking it through: the science behind home safety

<!-- .ven lang=en -->
Identify the principal reason for which water must not be thrown upon burning oil.

<!-- .vintro -->
**Mova's choice:** option 2 · **The right answer:** option 2 · right ✓ · **Who acts:** you · **What happens:** identify, not throw, burn · **To what, where:** principal reason, water, burning oil

<!-- .vabout -->
This is exam question 2 of lesson 40 «Thinking it through: the science behind home safety» of the everyday 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/everyday/40-home-safety-reasoning/#e2).

## The question {#question}

```conllu
# sent_id = question:everyday:40-home-safety-reasoning:e2:1
# text = Identify the principal reason for which water must not be thrown upon burning oil.
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	11	obl	_	_
7	water	water	NOUN	NN	Number=Sing	11	nsubj:pass	_	_
8	must	must	AUX	MD	VerbForm=Fin	11	aux	_	_
9	not	not	PART	RB	Polarity=Neg	11	advmod	_	_
10	be	be	AUX	VB	VerbForm=Inf	11	aux:pass	_	_
11	thrown	throw	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	acl:relcl	_	_
12	upon	upon	ADP	IN	_	14	case	_	_
13	burning	burn	VERB	VBG	VerbForm=Ger	14	amod	_	_
14	oil	oil	NOUN	NN	Number=Sing	11	obl	_	SpaceAfter=No
15	.	.	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 | **not** **throw** | must · passive |  | water |  | burning oil |  | for the principal reason | vn throw-17.1-1-1 «NP V NP PP.destinations»: subject=Theme upon oil=Destination |
| 3 | **burn** | gerund |  |  |  |  |  |  | vn light\_emission-43.1 «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 {#o1}

<!-- .ven lang=en -->
The water cools the oil too slowly to help

```conllu
# sent_id = question:everyday:40-home-safety-reasoning:e2:o1:1
# text = The water cools the oil too slowly to help
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	water	water	NOUN	NN	Number=Sing	3	nsubj	_	_
3	cools	cool	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	oil	oil	NOUN	NN	Number=Sing	3	obj	_	_
6	too	too	ADV	RB	_	7	advmod	_	_
7	slowly	slowly	ADV	RB	_	3	advmod	_	_
8	to	to	PART	TO	_	9	mark	_	_
9	help	help	VERB	VB	VerbForm=Inf	7	advcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **cool** | present | the water | the oil |  |  |  | slowly *property* | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent oil=Patient |
| 2 | **help** | to-infinitive | the water *not said here* |  |  |  |  |  | vn help-72.1-1-1 «NP V PP.theme»: agent=Agent |

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

<!-- .ven lang=en -->
The water sinks beneath the oil and turns violently to steam, throwing out burning oil

<!-- fold The tree, 15 words -->
```conllu
# sent_id = question:everyday:40-home-safety-reasoning:e2:o2:1
# text = The water sinks beneath the oil and turns violently to steam, throwing out burning oil
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	water	water	NOUN	NN	Number=Sing	3	nsubj	_	_
3	sinks	sink	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	beneath	beneath	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	oil	oil	NOUN	NN	Number=Sing	3	obl	_	_
7	and	and	CCONJ	CC	_	8	cc	_	_
8	turns	turn	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
9	violently	violently	ADV	RB	_	8	advmod	_	_
10	to	to	ADP	IN	_	11	case	_	_
11	steam	steam	NOUN	NN	Number=Sing	8	obl	_	SpaceAfter=No
12	,	,	PUNCT	,	_	13	punct	_	_
13	throwing	throw	VERB	VBG	Tense=Pres|VerbForm=Part	3	advcl	_	_
14	out	out	ADP	RP	_	13	compound:prt	_	_
15	burning	burn	VERB	VBG	VerbForm=Ger	16	amod	_	_
16	oil	oil	NOUN	NN	Number=Sing	13	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **sink** | present | the water |  |  |  |  | beneath the oil | vn other\_cos-45.4 «NP.patient V»: agent=Patient |
| 2 | **turn** | present | the water *not said here* |  |  | steam |  | violently *property* | vn roll-51.3.1 «NP V PP.trajectory»: agent=Theme to steam=Trajectory |
| 3 | **throw out** | gerund | the water *not said here* | burning oil |  |  |  |  | vn throw-17.1-1-1 «NP V NP»: agent=Agent oil=Theme |
| 4 | **burn** | gerund |  |  |  |  |  |  | vn light\_emission-43.1 «NP V»: agent=Theme |

### Option 3 {#o3}

<!-- .ven lang=en -->
The water causes the pan to melt immediately

```conllu
# sent_id = question:everyday:40-home-safety-reasoning:e2:o3:1
# text = The water causes the pan to melt immediately
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	water	water	NOUN	NN	Number=Sing	3	nsubj	_	_
3	causes	cause	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	pan	pan	NOUN	NN	Number=Sing	3	obj	_	_
6	to	to	PART	TO	_	7	mark	_	_
7	melt	melt	VERB	VB	VerbForm=Inf	3	advcl	_	_
8	immediately	immediately	ADV	RB	_	7	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **cause** | present | the water | the pan |  |  |  |  | vn engender-27.1-1 «NP V NP»: agent=Precondition pan=Patient |
| 2 | **melt** | to-infinitive | the water *not said here* |  |  |  |  | immediately *property* | vn other\_cos-45.4-1 «NP.patient V»: agent=Patient |

### Option 4 {#o4}

<!-- .ven lang=en -->
The water mixes with the oil and makes it burn more slowly, so that the fire spreads further

<!-- fold The tree, 18 words -->
```conllu
# sent_id = question:everyday:40-home-safety-reasoning:e2:o4:1
# text = The water mixes with the oil and makes it burn more slowly, so that the fire spreads further
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	water	water	NOUN	NN	Number=Sing	3	nsubj	_	_
3	mixes	mix	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	with	with	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	oil	oil	NOUN	NN	Number=Sing	3	obl	_	_
7	and	and	CCONJ	CC	_	8	cc	_	_
8	makes	make	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
9	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	8	obj	_	_
10	burn	burn	VERB	VB	VerbForm=Inf	8	xcomp	_	_
11	more	more	ADV	RBR	Degree=Cmp	12	advmod	_	_
12	slowly	slowly	ADV	RB	_	10	advmod	_	SpaceAfter=No
13	,	,	PUNCT	,	_	18	punct	_	_
14	so	so	SCONJ	IN	ExtPos=SCONJ	18	mark	_	_
15	that	that	SCONJ	IN	_	14	fixed	_	_
16	the	the	DET	DT	Definite=Def|PronType=Art	17	det	_	_
17	fire	fire	NOUN	NN	Number=Sing	18	nsubj	_	_
18	spreads	spread	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
19	further	far	ADV	RBR	Degree=Cmp	18	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **mix** | present | the water |  |  |  |  | with the oil | vn mix-22.1-1-1 «NP V PP.co-patient»: agent=Patient with oil=Co-Patient |
| 2 | **make** | present | the water *not said here* | water |  |  |  |  | tree rules |
| 3 | **burn** | infinitive | water *not said here* |  |  |  |  | slowly *property* | vn light\_emission-43.1 «NP V»: agent=Theme |
| 4 | **spread** | present | the fire |  |  |  |  | far *property* | vn appear-48.1.1 «NP V»: agent=Theme |

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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…, exam 1](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/40-home-safety-reasoning/e1/)
- next →: [Thinking it through: the science behin…, exam 3](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/40-home-safety-reasoning/e3/)
- ↑ back to [Thinking it through: the science behind home safety](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/40-home-safety-reasoning/)