---
title: my brother says the air u breathe out has no oxygen left. right? — Air and why we need it · tree and pragmatics
description: my brother says the air u breathe out has no oxygen left. right? Test 13 · ★ 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 13 · ★ · Air and why we need it

<!-- .ven lang=en -->
my brother says the air u breathe out has no oxygen left. right?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** brother, u, air · **What happens:** say, breathe out, have, leave · **To what, where:** air, oxygen · **Speech:** someone speaks here

<!-- .vabout -->
This is test 13 · ★ 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/#t13).

## The question {#question}

```conllu
# sent_id = question:world:17-air-oxygen-carbon-dioxide:t13:1
# text = my brother says the air u breathe out has no oxygen left. right?
1	my	my	PRON	PRP$	Case=Gen|Number=Sing|Person=1|Poss=Yes|PronType=Prs	2	nmod:poss	_	_
2	brother	brother	NOUN	NN	Number=Sing	3	nsubj	_	_
3	says	say	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	air	air	NOUN	NN	Number=Sing	9	nsubj	_	_
6	u	you	PRON	PRP	Abbr=Yes|Case=Nom|Person=2|PronType=Prs	7	nsubj	_	_
7	breathe	breathe	VERB	VBP	Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin	5	acl:relcl	_	_
8	out	out	ADP	RP	_	7	compound:prt	_	_
9	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	ccomp	_	_
10	no	no	DET	DT	PronType=Neg	11	det	_	_
11	oxygen	oxygen	NOUN	NN	Number=Sing	9	obj	_	_
12	left	leave	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	11	acl	_	SpaceAfter=No
13	.	.	PUNCT	.	_	12	punct	_	_
14	right	right	ADV	RB	_	12	advmod	_	SpaceAfter=No
15	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **say** *speech: assert* | present | my brother |  |  |  |  |  | vn say-37.7-1-1 «NP V that S»: agent=Agent clause=Topic |
| 2 | **breathe out** | present | u | the air *not said here* |  |  |  |  | vn breathe-40.1.2-1 «NP V NP»: agent=Agent air=Theme |
| 3 | **have** | present | the air | no oxygen |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent oxygen=Patient |
| 4 | **leave** | participle |  | no oxygen *not said here* |  |  |  | right *property* | vn escape-51.1-1-1 «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 -->
No, it has more oxygen than the air we breathe in

```conllu
# sent_id = question:world:17-air-oxygen-carbon-dioxide:t13:o1:1
# text = No, it has more oxygen than the air we breathe in
1	No	no	INTJ	UH	Polarity=Neg	4	discourse	_	SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	_	_
3	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj	_	_
4	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	more	more	ADJ	JJR	Degree=Cmp	6	amod	_	_
6	oxygen	oxygen	NOUN	NN	Number=Sing	4	obj	_	_
7	than	than	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	air	air	NOUN	NN	Number=Sing	6	nmod	_	_
10	we	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	11	nsubj	_	_
11	breathe	breathe	VERB	VBP	Mood=Ind|Number=Plur|Person=1|Tense=Pres|VerbForm=Fin	9	acl:relcl	_	_
12	in	in	ADP	IN	_	4	compound:prt	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have in** | present | it | more oxygen |  |  |  | than the air | vn birth-28.2-1 «NP V NP»: agent=Agent oxygen=Patient |
| 2 | **breathe in** | present | we | the air *not said here* |  |  |  |  | vn breathe-40.1.2-1 «NP V NP»: agent=Agent air=Theme |

### Option 2 {#o2}

<!-- .ven lang=en -->
Yes, we use up every bit of oxygen

```conllu
# sent_id = question:world:17-air-oxygen-carbon-dioxide:t13:o2:1
# text = Yes, we use up every bit of oxygen
1	Yes	yes	INTJ	UH	Polarity=Pos	4	discourse	_	SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	_	_
3	we	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	4	nsubj	_	_
4	use	use	VERB	VBP	Mood=Ind|Number=Plur|Person=1|Tense=Pres|VerbForm=Fin	0	root	_	_
5	up	up	ADP	RP	_	4	compound:prt	_	_
6	every	every	DET	DT	PronType=Tot	7	det	_	_
7	bit	bit	NOUN	NN	Number=Sing	4	obl:unmarked	_	_
8	of	of	ADP	IN	_	9	case	_	_
9	oxygen	oxygen	NOUN	NN	Number=Sing	7	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **use up** | present | we | every bit of oxygen |  |  |  |  | vn eat-39.1 «NP V»: agent=Agent |

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

<!-- .ven lang=en -->
No, it has less oxygen but still some

```conllu
# sent_id = question:world:17-air-oxygen-carbon-dioxide:t13:o3:1
# text = No, it has less oxygen but still some
1	No	no	INTJ	UH	Polarity=Neg	4	discourse	_	SpaceAfter=No
2	,	,	PUNCT	,	_	4	punct	_	_
3	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj	_	_
4	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	less	less	ADJ	JJR	Degree=Cmp	6	amod	_	_
6	oxygen	oxygen	NOUN	NN	Number=Sing	4	obj	_	_
7	but	but	CCONJ	CC	_	8	cc	_	_
8	still	still	ADV	RB	_	4	conj	_	_
9	some	some	DET	DT	PronType=Ind	4	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have** | present | it | less oxygen |  |  |  |  | tree rules |

### Option 4 {#o4}

<!-- .ven lang=en -->
Yes, it's all carbon dioxide

```conllu
# sent_id = question:world:17-air-oxygen-carbon-dioxide:t13:o4:1
# text = Yes, it's all carbon dioxide
1	Yes	yes	INTJ	UH	Polarity=Pos	7	discourse	_	SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	_	_
3	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	7	nsubj	_	SpaceAfter=No
4	's	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	cop	_	_
5	all	all	ADV	RB	_	7	advmod	_	_
6	carbon	carbon	NOUN	NN	Number=Sing	7	compound	_	_
7	dioxide	dioxide	NOUN	NN	Number=Sing	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | it | carbon dioxide |  |  |  | all *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.

<!-- /div -->

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- ← previous: [Air and why we need it, test 12](https://md.mova.elamur.ai/free/en/corpora/questions/world/17-air-oxygen-carbon-dioxide/t12/)
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