---
title: Which of the following statements most accurately characterises brea… — Lungs, air and keeping fit · tree and pragmatics
description: Which of the following statements most accurately characterises breathed-out air in comparison with breathed-in air? Exam question 2 of lesson 93 «Lungs, air and keeping fit» of the world course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mov
---

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# Exam question 2 · Lungs, air and keeping fit

<!-- .ven lang=en -->
Which of the following statements most accurately characterises breathed-out air in comparison with breathed-in air?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** following statements · **What happens:** follow, characteris, breathe out, breathe · **To what, where:** breathed air, comparison, air

<!-- .vabout -->
This is exam question 2 of lesson 93 «Lungs, air and keeping fit» 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/93-lungs-air-keeping-fit/#e2).

## The question {#question}

```conllu
# sent_id = question:world:93-lungs-air-keeping-fit:e2:1
# text = Which of the following statements most accurately characterises breathed-out air in comparison with breathed-in air?
1	Which	which	PRON	WDT	PronType=Rel	5	nsubj	_	_
2	of	of	ADP	IN	_	5	case	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
4	following	follow	VERB	VBG	VerbForm=Ger	5	amod	_	_
5	statements	statement	NOUN	NNS	Number=Plur	0	root	_	_
6	most	most	ADV	RBS	Degree=Sup	7	advmod	_	_
7	accurately	accurately	ADV	RB	_	8	advmod	_	_
8	characterises	characteris	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	acl:relcl	_	_
9	breathed	breathe	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	12	amod	_	SpaceAfter=No
10	-	-	PUNCT	HYPH	_	11	punct	_	SpaceAfter=No
11	out	out	ADP	RP	_	9	compound:prt	_	_
12	air	air	NOUN	NN	Number=Sing	8	obj	_	_
13	in	in	ADP	IN	_	14	case	_	_
14	comparison	comparison	NOUN	NN	Number=Sing	8	obl	_	_
15	with	with	SCONJ	IN	_	16	mark	_	_
16	breathed	breathe	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	14	acl	_	SpaceAfter=No
17	-	-	PUNCT	HYPH	_	16	punct	_	SpaceAfter=No
18	in	in	ADP	IN	_	19	case	_	_
19	air	air	NOUN	NN	Number=Sing	16	obl	_	SpaceAfter=No
20	?	?	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **follow** | gerund |  |  |  |  |  |  | vn occur-48.3-1 «NP V»: agent=Theme |
| 2 | **characteris** | present | the following statements *not said here* | breathed air |  | comparison |  | accurately *property* | tree rules |
| 3 | **breathe out** | participle |  |  |  |  |  |  | vn breathe-40.1.2-1 «NP V»: agent=Agent |
| 4 | **breathe** | participle |  | comparison *not said here* |  | air |  |  | vn breathe-40.1.2-1 «NP V»: agent=Agent |

<!-- .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 · ✓ the right answer {#o1}

<!-- .ven lang=en -->
It contains less oxygen and more carbon dioxide

```conllu
# sent_id = question:world:93-lungs-air-keeping-fit:e2:o1:1
# text = It contains less oxygen and more carbon dioxide
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	contains	contain	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	less	less	ADJ	JJR	Degree=Cmp	4	amod	_	_
4	oxygen	oxygen	NOUN	NN	Number=Sing	2	obj	_	_
5	and	and	CCONJ	CC	_	8	cc	_	_
6	more	more	ADJ	JJR	Degree=Cmp	8	amod	_	_
7	carbon	carbon	NOUN	NN	Number=Sing	8	compound	_	_
8	dioxide	dioxide	NOUN	NN	Number=Sing	4	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **contain** | present | It | less oxygen and more carbon dioxide |  |  |  |  | vn comprise-107.2-2 «NP V NP»: agent=Pivot oxygen=Theme |

### Option 2 {#o2}

<!-- .ven lang=en -->
It is identical in composition

```conllu
# sent_id = question:world:93-lungs-air-keeping-fit:e2:o2:1
# text = It is identical in composition
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	identical	identical	ADJ	JJ	Degree=Pos	0	root	_	_
4	in	in	ADP	IN	_	5	case	_	_
5	composition	composition	NOUN	NN	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | It |  |  | composition |  | identical *property* | tree rules |

### Option 3 {#o3}

<!-- .ven lang=en -->
It contains more oxygen and less carbon dioxide

```conllu
# sent_id = question:world:93-lungs-air-keeping-fit:e2:o3:1
# text = It contains more oxygen and less carbon dioxide
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	contains	contain	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	more	more	ADJ	JJR	Degree=Cmp	4	amod	_	_
4	oxygen	oxygen	NOUN	NN	Number=Sing	2	obj	_	_
5	and	and	CCONJ	CC	_	8	cc	_	_
6	less	less	ADJ	JJR	Degree=Cmp	8	amod	_	_
7	carbon	carbon	NOUN	NN	Number=Sing	8	compound	_	_
8	dioxide	dioxide	NOUN	NN	Number=Sing	4	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **contain** | present | It | more oxygen and less carbon dioxide |  |  |  |  | vn comprise-107.2-2 «NP V NP»: agent=Pivot oxygen=Theme |

### Option 4 {#o4}

<!-- .ven lang=en -->
It contains no oxygen whatsoever

```conllu
# sent_id = question:world:93-lungs-air-keeping-fit:e2:o4:1
# text = It contains no oxygen whatsoever
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	contains	contain	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	no	no	DET	DT	PronType=Neg	4	det	_	_
4	oxygen	oxygen	NOUN	NN	Number=Sing	2	obj	_	_
5	whatsoever	whatsoever	ADV	RB	_	2	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **contain** | present | It | no oxygen |  |  |  | whatsoever *property* | vn comprise-107.2-2 «NP V NP»: agent=Pivot oxygen=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.

<!-- /div -->

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- ← previous: [Lungs, air and keeping fit, exam 1](https://md.mova.elamur.ai/free/en/corpora/questions/world/93-lungs-air-keeping-fit/e1/)
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