---
title: Why does blowing gently on a dying campfire make it burn brighter? — Air and why we need it · tree and pragmatics
description: Why does blowing gently on a dying campfire make it burn brighter? Test 2 · ★ of lesson 17 «Air and why we need it» 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 wrong.
---

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# Test 2 · ★ · Air and why we need it

<!-- .ven lang=en -->
Why does blowing gently on a dying campfire make it burn brighter?

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 2 · wrong ✗ · **Who acts:** blowing, campfire · **What happens:** blow, die, make, burn · **To what, where:** dying campfire, campfire

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This is test 2 · ★ of lesson 17 «Air and why we need it» of the world 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/world/17-air-oxygen-carbon-dioxide/#t2).

## The question {#question}

```conllu
# sent_id = question:world:17-air-oxygen-carbon-dioxide:t2:1
# text = Why does blowing gently on a dying campfire make it burn brighter?
1	Why	why	ADV	WRB	PronType=Int	3	advmod	_	_
2	does	do	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	aux	_	_
3	blowing	blow	VERB	VBG	VerbForm=Ger	9	csubj	_	_
4	gently	gently	ADV	RB	_	3	advmod	_	_
5	on	on	ADP	IN	_	8	case	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
7	dying	die	VERB	VBG	VerbForm=Ger	8	amod	_	_
8	campfire	campfire	NOUN	NN	Number=Sing	3	obl	_	_
9	make	make	VERB	VBP	Mood=Ind|Tense=Pres|VerbForm=Fin	0	root	_	_
10	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	9	obj	_	_
11	burn	burn	VERB	VB	VerbForm=Inf	9	xcomp	_	_
12	brighter	bright	ADJ	JJR	Degree=Cmp	11	xcomp	_	SpaceAfter=No
13	?	?	PUNCT	.	_	9	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **blow** | present · do-support |  |  |  | a dying campfire |  | gently *property* | vn split-23.2 «NP V apart»: agent=Patient |
| 2 | **die** | gerund |  |  |  |  |  |  | vn calibratable\_cos-45.6.1 «NP.attribute V»: agent=Attribute |
| 3 | **make** | present | blowing | campfire |  |  |  |  | tree rules |
| 4 | **burn** | infinitive | campfire *not said here* |  |  |  |  | bright *property* | 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 -->
Your warm breath heats the wood

```conllu
# sent_id = question:world:17-air-oxygen-carbon-dioxide:t2:o1:1
# text = Your warm breath heats the wood
1	Your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	3	nmod:poss	_	_
2	warm	warm	ADJ	JJ	Degree=Pos	3	amod	_	_
3	breath	breath	NOUN	NN	Number=Sing	4	nsubj	_	_
4	heats	heat	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	wood	wood	NOUN	NN	Number=Sing	4	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **heat** | present | Your warm breath | the wood |  |  |  |  | vn cooking-45.3 «NP V NP.patient»: agent=Agent wood=Patient |

### Option 2 · ✓ the right answer {#o2}

<!-- .ven lang=en -->
It brings the fire more oxygen

```conllu
# sent_id = question:world:17-air-oxygen-carbon-dioxide:t2:o2:1
# text = It brings the fire more oxygen
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	brings	bring	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	fire	fire	NOUN	NN	Number=Sing	2	obj	_	_
5	more	more	ADJ	JJR	Degree=Cmp	6	amod	_	_
6	oxygen	oxygen	NOUN	NN	Number=Sing	2	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **bring** | present | It | the fire |  |  |  |  | vn bring-11.3-1 «NP V NP NP»: agent=Agent fire=Destination oxygen=Theme |

### Option 3 · ← Mova's choice {#o3}

<!-- .ven lang=en -->
It cools the wood so it burns better

```conllu
# sent_id = question:world:17-air-oxygen-carbon-dioxide:t2:o3:1
# text = It cools the wood so it burns better
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	cools	cool	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	wood	wood	NOUN	NN	Number=Sing	2	obj	_	_
5	so	so	ADV	RB	_	7	advmod	_	_
6	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	7	nsubj	_	_
7	burns	burn	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	advcl	_	_
8	better	good	ADJ	JJR	Degree=Cmp	7	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **cool** | present | It | the wood |  |  |  |  | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent wood=Patient |
| 2 | **burn** | present | wood |  |  |  |  | good *property* | vn light\_emission-43.1 «NP V»: agent=Theme |

### Option 4 {#o4}

<!-- .ven lang=en -->
Your breath is full of fuel

```conllu
# sent_id = question:world:17-air-oxygen-carbon-dioxide:t2:o4:1
# text = Your breath is full of fuel
1	Your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	2	nmod:poss	_	_
2	breath	breath	NOUN	NN	Number=Sing	4	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
4	full	full	ADJ	JJ	Degree=Pos	0	root	_	_
5	of	of	ADP	IN	_	6	case	_	_
6	fuel	fuel	NOUN	NN	Number=Sing	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Your breath |  |  |  |  | of fuel; full *property* | tree rules |

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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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