---
title: what's air actually made of mostly — Air and why we need it · tree and pragmatics
description: what's air actually made of mostly Test 10 · ★ 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 10 · ★ · Air and why we need it

<!-- .ven lang=en -->
what's air actually made of mostly

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 2 · wrong ✗ · **What happens:** make · **To what, where:** air

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This is test 10 · ★ 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/#t10).

## The question {#question}

```conllu
# sent_id = question:world:17-air-oxygen-carbon-dioxide:t10:1
# text = what's air actually made of mostly
1	what	what	PRON	WP	PronType=Rel	5	obl	_	SpaceAfter=No
2	's	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	aux	_	_
3	air	air	NOUN	NN	Number=Sing	5	nsubj:pass	_	_
4	actually	actually	ADV	RB	_	5	advmod	_	_
5	made	make	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
6	of	of	ADP	IN	_	7	case	_	_
7	mostly	mostly	ADV	RB	_	5	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present · passive |  | air |  |  |  | actually *property* | vn build-26.1-1 «NP.asset V NP»: subject=Product |

<!-- .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 -->
Oxygen and carbon dioxide

```conllu
# sent_id = question:world:17-air-oxygen-carbon-dioxide:t10:o1:1
# text = Oxygen and carbon dioxide
1	Oxygen	oxygen	NOUN	NN	Number=Sing	0	root	_	_
2	and	and	CCONJ	CC	_	4	cc	_	_
3	carbon	carbon	NOUN	NN	Number=Sing	4	compound	_	_
4	dioxide	dioxide	NOUN	NN	Number=Sing	1	conj	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

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

<!-- .ven lang=en -->
Nitrogen and oxygen

```conllu
# sent_id = question:world:17-air-oxygen-carbon-dioxide:t10:o2:1
# text = Nitrogen and oxygen
1	Nitrogen	Nitrogen	PROPN	NNP	Number=Sing	0	root	_	_
2	and	and	CCONJ	CC	_	3	cc	_	_
3	oxygen	oxygen	NOUN	NN	Number=Sing	1	conj	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 3 {#o3}

<!-- .ven lang=en -->
Mostly carbon dioxide

```conllu
# sent_id = question:world:17-air-oxygen-carbon-dioxide:t10:o3:1
# text = Mostly carbon dioxide
1	Mostly	mostly	ADV	RB	_	3	advmod	_	_
2	carbon	carbon	NOUN	NN	Number=Sing	3	compound	_	_
3	dioxide	dioxide	NOUN	NN	Number=Sing	0	root	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 4 {#o4}

<!-- .ven lang=en -->
Mostly water vapour

```conllu
# sent_id = question:world:17-air-oxygen-carbon-dioxide:t10:o4:1
# text = Mostly water vapour
1	Mostly	mostly	ADV	RB	_	3	advmod	_	_
2	water	water	NOUN	NN	Number=Sing	3	compound	_	_
3	vapour	vapour	NOUN	NN	Number=Sing	0	root	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

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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: [Air and why we need it, test 9](https://md.mova.elamur.ai/free/en/corpora/questions/world/17-air-oxygen-carbon-dioxide/t9/)
- next →: [Air and why we need it, test 11](https://md.mova.elamur.ai/free/en/corpora/questions/world/17-air-oxygen-carbon-dioxide/t11/)
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