---
title: If oxygen made up all the air instead of a fifth, what would be the… — Elements and the famous members of the… · tree and pragmatics
description: If oxygen made up all the air instead of a fifth, what would be the danger? Test 9 of lesson 2 «Elements and the famous members of the periodic table» of the chemistry course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was right
---

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# Test 9 · Elements and the famous members of the periodic table

<!-- .ven lang=en -->
If oxygen made up all the air instead of a fifth, what would be the danger?

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 3 · right ✓ · **Who acts:** fifth · **What happens:** make up, be · **To what, where:** oxygen, danger

<!-- .vabout -->
This is test 9 of lesson 2 «Elements and the famous members of the periodic table» of the chemistry 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/chemistry/2-elements-and-the-periodic-table/#t9).

## The question {#question}

```conllu
# sent_id = question:chemistry:2-elements-and-the-periodic-table:t9:1
# text = If oxygen made up all the air instead of a fifth, what would be the danger?
1	If	if	SCONJ	IN	_	3	mark	_	_
2	oxygen	oxygen	NOUN	NN	Number=Sing	3	nsubj:pass	_	_
3	made	make	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	up	up	ADP	RP	_	3	compound:prt	_	_
5	all	all	DET	PDT	PronType=Tot	7	det:predet	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	air	air	NOUN	NN	Number=Sing	3	obl	_	_
8	instead	instead	ADV	RB	ExtPos=ADP	11	case	_	_
9	of	of	ADP	IN	_	8	fixed	_	_
10	a	a	DET	DT	Definite=Ind|PronType=Art	11	det	_	_
11	fifth	fifth	NOUN	NN	Number=Sing	3	obl	_	SpaceAfter=No
12	,	,	PUNCT	,	_	17	punct	_	_
13	what	what	PRON	WP	PronType=Int	17	nsubj	_	_
14	would	would	AUX	MD	VerbForm=Fin	17	aux	_	_
15	be	be	AUX	VB	VerbForm=Inf	17	cop	_	_
16	the	the	DET	DT	Definite=Def|PronType=Art	17	det	_	_
17	danger	danger	NOUN	NN	Number=Sing	11	appos	_	SpaceAfter=No
18	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make up** | participle · passive |  | oxygen |  |  |  | instead a fifth; all air *obl* | vn comprise-107.2-1 «NP V NP»: subject=Pivot |
| 2 | **is a** | would | a fifth | the danger |  |  |  |  | tree rules |

<!-- .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 -->
Fires would be impossible

```conllu
# sent_id = question:chemistry:2-elements-and-the-periodic-table:t9:o1:1
# text = Fires would be impossible
1	Fires	fire	NOUN	NNS	Number=Plur	4	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	4	aux	_	_
3	be	be	AUX	VB	VerbForm=Inf	4	cop	_	_
4	impossible	impossible	ADJ	JJ	Degree=Pos	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | would | Fires |  |  |  |  | impossible *property* | tree rules |

### Option 2 {#o2}

<!-- .ven lang=en -->
All the balloons would float away

```conllu
# sent_id = question:chemistry:2-elements-and-the-periodic-table:t9:o2:1
# text = All the balloons would float away
1	All	all	DET	PDT	PronType=Tot	3	det:predet	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	balloons	balloon	NOUN	NNS	Number=Plur	5	nsubj	_	_
4	would	would	AUX	MD	VerbForm=Fin	5	aux	_	_
5	float	float	VERB	VB	VerbForm=Inf	0	root	_	_
6	away	away	ADV	RB	_	5	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **float away** | would | all balloons |  |  |  |  | away *property* | vn run-51.3.2-2 «NP V»: agent=Theme |

### Option 3 · ← Mova's choice · ✓ the right answer {#o3}

<!-- .ven lang=en -->
Things would burn much more fiercely

```conllu
# sent_id = question:chemistry:2-elements-and-the-periodic-table:t9:o3:1
# text = Things would burn much more fiercely
1	Things	thing	NOUN	NNS	Number=Plur	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	burn	burn	VERB	VB	VerbForm=Inf	0	root	_	_
4	much	much	ADV	RB	_	5	advmod	_	_
5	more	more	ADV	RBR	Degree=Cmp	3	advmod	_	_
6	fiercely	fiercely	ADV	RB	_	3	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **burn** | would | Things |  |  |  |  | fiercely *property* | vn light\_emission-43.1 «NP V»: agent=Theme |

### Option 4 {#o4}

<!-- .ven lang=en -->
Nobody could breathe at all

```conllu
# sent_id = question:chemistry:2-elements-and-the-periodic-table:t9:o4:1
# text = Nobody could breathe at all
1	Nobody	nobody	PRON	NN	Number=Sing|PronType=Neg	3	nsubj	_	_
2	could	could	AUX	MD	VerbForm=Fin	3	aux	_	_
3	breathe	breathe	VERB	VB	VerbForm=Inf	0	root	_	_
4	at	at	ADP	IN	_	5	case	_	_
5	all	all	DET	DT	PronType=Tot	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **breathe** | could | Nobody |  |  | all |  |  | vn breathe-40.1.2-1 «NP V»: agent=Agent |

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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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