---
title: The seat belt sign goes off and a boy unbuckles while sitting. What… — Airports and planes · tree and pragmatics
description: The seat belt sign goes off and a boy unbuckles while sitting. What is better? Test 3 · ★ of lesson 271 «Airports and planes» of the everyday 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 3 · ★ · Airports and planes

<!-- .ven lang=en -->
The seat belt sign goes off and a boy unbuckles while sitting. What is better?

<!-- .vintro -->
**Mova's choice:** option 4 · **The right answer:** option 4 · right ✓ · **Who acts:** belt sign, boy · **What happens:** go off, unbuckle, sit, be

<!-- .vabout -->
This is test 3 · ★ of lesson 271 «Airports and planes» of the everyday 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/everyday/271-airports-and-planes/#t3).

## The question {#question}

<!-- .note -->
*Sentence 1:* The seat belt sign goes off and a boy unbuckles while sitting.

```conllu
# sent_id = question:everyday:271-airports-and-planes:t3:1
# text = The seat belt sign goes off and a boy unbuckles while sitting.
1	The	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
2	seat	seat	NOUN	NN	Number=Sing	3	compound	_	_
3	belt	belt	NOUN	NN	Number=Sing	4	compound	_	_
4	sign	sign	NOUN	NN	Number=Sing	5	nsubj	_	_
5	goes	go	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	off	off	ADP	RP	_	5	compound:prt	_	_
7	and	and	CCONJ	CC	_	10	cc	_	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
9	boy	boy	NOUN	NN	Number=Sing	10	nsubj	_	_
10	unbuckles	unbuckle	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	conj	_	_
11	while	while	SCONJ	IN	_	12	mark	_	_
12	sitting	sit	VERB	VBG	VerbForm=Ger	10	advcl	_	SpaceAfter=No
13	.	.	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **go off** | present | the belt sign |  |  |  |  |  | vn occur-48.3-2 «NP V ADV»: agent=Theme |
| 2 | **unbuckle** | present | a boy |  |  |  |  |  | vn disassemble-23.3 «NP V NP»: agent=Agent |
| 3 | **sit** | gerund | a boy *not said here* |  |  |  |  |  | vn assuming\_position-50 «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.

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

```conllu
# sent_id = question:everyday:271-airports-and-planes:t3:2
# text = What is better?
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	better	good	ADJ	JJR	Degree=Cmp	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 |  |  |  |  |  | good *property* | tree rules |

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
Unbuckle, because the sign is off

```conllu
# sent_id = question:everyday:271-airports-and-planes:t3:o1:1
# text = Unbuckle, because the sign is off
1	Unbuckle	Unbuckle	PROPN	NNP	Number=Sing	0	root	_	SpaceAfter=No
2	,	,	PUNCT	,	_	5	punct	_	_
3	because	because	ADP	IN	ExtPos=ADP	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	sign	sign	NOUN	NN	Number=Sing	1	appos	_	_
6	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	cop	_	_
7	off	off	ADV	RB	_	5	acl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | the sign *not said here* |  |  |  |  | off *property* | tree rules |

### Option 2 {#o2}

<!-- .ven lang=en -->
Stand on the seat to stretch

```conllu
# sent_id = question:everyday:271-airports-and-planes:t3:o2:1
# text = Stand on the seat to stretch
1	Stand	stand	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	on	on	ADP	IN	_	4	case	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	seat	seat	NOUN	NN	Number=Sing	1	obl	_	_
5	to	to	PART	TO	_	6	mark	_	_
6	stretch	stretch	VERB	VB	VerbForm=Inf	1	advcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **stand** | imperative | you *not said here* |  |  | the seat |  |  | vn assuming\_position-50 «NP V PP.location»: agent=Agent on seat=Location |
| 2 | **stretch** | to-infinitive | you *not said here* |  |  |  |  |  | vn bend-45.2 «NP.patient V»: agent=Patient |

### Option 3 {#o3}

<!-- .ven lang=en -->
Loosen it completely

```conllu
# sent_id = question:everyday:271-airports-and-planes:t3:o3:1
# text = Loosen it completely
1	Loosen	loosen	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	1	obj	_	_
3	completely	completely	ADV	RB	_	1	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **loosen** | imperative | you *not said here* | it |  |  |  | completely *property* | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent it=Patient |

### Option 4 · ← Mova's choice · ✓ the right answer {#o4}

<!-- .ven lang=en -->
Keep it fastened while seated in case of turbulence

```conllu
# sent_id = question:everyday:271-airports-and-planes:t3:o4:1
# text = Keep it fastened while seated in case of turbulence
1	Keep	keep	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	1	obj	_	_
3	fastened	fasten	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	1	xcomp	_	_
4	while	while	SCONJ	IN	_	5	mark	_	_
5	seated	seat	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	advcl	_	_
6	in	in	ADP	IN	_	7	case	_	_
7	case	case	NOUN	NN	Number=Sing	5	obl	_	_
8	of	of	ADP	IN	_	9	case	_	_
9	turbulence	turbulence	NOUN	NN	Number=Sing	7	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **keep** | imperative | you *not said here* | it |  |  |  |  | tree rules |
| 2 | **fasten** | participle |  |  |  |  |  |  | vn shake-22.3-2-1 «NP V ADV-Middle»: agent=Patient |
| 3 | **seat** | participle |  |  |  | case of turbulence |  |  | vn fit-54.3 «NP V NP PP.location»: agent=Agent in case=Location |

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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: [Airports and planes, test 2](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/271-airports-and-planes/t2/)
- next →: [Airports and planes, test 4](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/271-airports-and-planes/t4/)
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