---
title: In a film, a man takes off his oxygen mask high up to chat and feels… — Why planes fly · tree and pragmatics
description: In a film, a man takes off his oxygen mask high up to chat and feels fine for an hour. What is wrong? Test 7 · ★ of lesson 22 «Why planes fly» of the technology 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 7 · ★ · Why planes fly

<!-- .ven lang=en -->
In a film, a man takes off his oxygen mask high up to chat and feels fine for an hour. What is wrong?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 4 · wrong ✗ · **Who acts:** man, oxygen · **What happens:** take off, mask, chat, feel, be · **To what, where:** film

<!-- .vabout -->
This is test 7 · ★ of lesson 22 «Why planes fly» of the technology 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/technology/22-why-planes-fly/#t7).

## The question {#question}

<!-- .note -->
*Sentence 1:* In a film, a man takes off his oxygen mask high up to chat and feels fine for an hour.

```conllu
# sent_id = question:technology:22-why-planes-fly:t7:1
# text = In a film, a man takes off his oxygen mask high up to chat and feels fine for an hour.
1	In	in	ADP	IN	_	3	case	_	_
2	a	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
3	film	film	NOUN	NN	Number=Sing	7	obl	_	SpaceAfter=No
4	,	,	PUNCT	,	_	3	punct	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	man	man	NOUN	NN	Number=Sing	7	nsubj	_	_
7	takes	take	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
8	off	off	ADP	RP	_	7	compound:prt	_	_
9	his	his	PRON	PRP$	Case=Gen|Gender=Masc|Number=Sing|Person=3|Poss=Yes|PronType=Prs	10	nmod:poss	_	_
10	oxygen	oxygen	NOUN	NN	Number=Sing	11	nsubj	_	_
11	mask	mask	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	7	conj	_	_
12	high	high	ADV	RB	Degree=Pos	13	advmod	_	_
13	up	up	ADV	RB	_	11	advmod	_	_
14	to	to	PART	TO	_	15	mark	_	_
15	chat	chat	VERB	VB	VerbForm=Inf	13	advcl	_	_
16	and	and	CCONJ	CC	_	17	cc	_	_
17	feels	feel	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	conj	_	_
18	fine	fine	ADJ	JJ	Degree=Pos	17	xcomp	_	_
19	for	for	ADP	IN	_	21	case	_	_
20	an	a	DET	DT	Definite=Ind|PronType=Art	21	det	_	_
21	hour	hour	NOUN	NN	Number=Sing	17	obl	_	SpaceAfter=No
22	.	.	PUNCT	.	_	7	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **take off** | present | a man |  |  | a film |  |  | vn remove-10.1 «NP V NP»: agent=Agent |
| 2 | **mask** | present | man's oxygen |  |  |  |  |  | vn fill-9.8 «NP V NP»: agent=Theme |
| 3 | **chat** *speech: other* | to-infinitive | man's oxygen *not said here* |  |  |  |  |  | vn chit\_chat-37.6 «NP V»: agent=Agent |
| 4 | **feel** | present | a man *not said here* |  |  |  | hour | fine *property* | vn stimulus\_subject-30.4 «NP V ADJ»: agent=Stimulus |

<!-- .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.

<!-- .note -->
*Sentence 2:* What is wrong?

```conllu
# sent_id = question:technology:22-why-planes-fly:t7:2
# text = What is wrong?
1	What	what	PRON	WP	PronType=Int	3	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	wrong	wrong	ADJ	JJ	Degree=Pos	0	root	_	SpaceAfter=No
4	?	?	PUNCT	.	_	3	punct	_	_
```

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

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
Oxygen masks are only for decoration

```conllu
# sent_id = question:technology:22-why-planes-fly:t7:o1:1
# text = Oxygen masks are only for decoration
1	Oxygen	oxygen	NOUN	NN	Number=Sing	2	compound	_	_
2	masks	mask	NOUN	NNS	Number=Plur	6	nsubj	_	_
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
4	only	only	ADV	RB	_	6	advmod	_	_
5	for	for	ADP	IN	_	6	case	_	_
6	decoration	decoration	NOUN	NN	Number=Sing	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Oxygen masks |  |  |  |  | for decoration | tree rules |

### Option 2 {#o2}

<!-- .ven lang=en -->
Nothing, the air up there is just like the air on the ground, only colder

<!-- fold The tree, 15 words -->
```conllu
# sent_id = question:technology:22-why-planes-fly:t7:o2:1
# text = Nothing, the air up there is just like the air on the ground, only colder
1	Nothing	nothing	PRON	NN	Number=Sing|PronType=Neg	11	nsubj	_	SpaceAfter=No
2	,	,	PUNCT	,	_	4	punct	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	air	air	NOUN	NN	Number=Sing	1	appos	_	_
5	up	up	ADV	RB	_	6	advmod	_	_
6	there	there	ADV	RB	PronType=Dem	4	advmod	_	_
7	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	11	cop	_	_
8	just	just	ADV	RB	_	11	advmod	_	_
9	like	like	ADP	IN	_	11	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	air	air	NOUN	NN	Number=Sing	0	root	_	_
12	on	on	ADP	IN	_	14	case	_	_
13	the	the	DET	DT	Definite=Def|PronType=Art	14	det	_	_
14	ground	ground	NOUN	NN	Number=Sing	11	nmod	_	SpaceAfter=No
15	,	,	PUNCT	,	_	17	punct	_	_
16	only	only	ADV	RB	_	17	advmod	_	_
17	colder	cold	ADJ	JJR	Degree=Cmp	11	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Nothing |  |  | the ground |  | like the air | tree rules |
| 2 | **be** |  | Nothing *not said here* |  |  |  |  |  | tree rules |

### Option 3 {#o3}

<!-- .ven lang=en -->
Planes always carry fresh air from the ground

```conllu
# sent_id = question:technology:22-why-planes-fly:t7:o3:1
# text = Planes always carry fresh air from the ground
1	Planes	plane	NOUN	NNS	Number=Plur	3	nsubj	_	_
2	always	always	ADV	RB	PronType=Tot	3	advmod	_	_
3	carry	carry	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	fresh	fresh	ADJ	JJ	Degree=Pos	5	amod	_	_
5	air	air	NOUN	NN	Number=Sing	3	obj	_	_
6	from	from	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	ground	ground	NOUN	NN	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **carry** | present | Planes | fresh air |  | the ground |  | always *property* | vn carry-11.4 «NP V NP PP.initial\_location»: agent=Agent air=Theme from ground=Initial\_Location |

### Option 4 · ✓ the right answer {#o4}

<!-- .ven lang=en -->
Without the mask in thin air at that height he would soon pass out

```conllu
# sent_id = question:technology:22-why-planes-fly:t7:o4:1
# text = Without the mask in thin air at that height he would soon pass out
1	Without	without	ADP	IN	_	3	case	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	mask	mask	NOUN	NN	Number=Sing	13	obl	_	_
4	in	in	ADP	IN	_	6	case	_	_
5	thin	thin	ADJ	JJ	Degree=Pos	6	amod	_	_
6	air	air	NOUN	NN	Number=Sing	3	nmod	_	_
7	at	at	ADP	IN	_	9	case	_	_
8	that	that	DET	DT	Number=Sing|PronType=Dem	9	det	_	_
9	height	height	NOUN	NN	Number=Sing	6	nmod	_	_
10	he	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	13	nsubj	_	_
11	would	would	AUX	MD	VerbForm=Fin	13	aux	_	_
12	soon	soon	ADV	RB	Degree=Pos	13	advmod	_	_
13	pass	pass	VERB	VB	VerbForm=Inf	0	root	_	_
14	out	out	ADP	RP	_	13	compound:prt	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **pass out** | would | he |  |  |  |  | without the mask in thin air at that height; soon *property* | vn change\_bodily\_state-40.8.4 «NP V»: agent=Experiencer |

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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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