---
title: A pet dog is loose on the back seat. What could happen in a crash? — Seat belts, crashes and keeping safe · tree and pragmatics
description: A pet dog is loose on the back seat. What could happen in a crash? Test 2 · ★ of lesson 37 «Seat belts, crashes and keeping safe» of the physics 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 2 · ★ · Seat belts, crashes and keeping safe

<!-- .ven lang=en -->
A pet dog is loose on the back seat. What could happen in a crash?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** pet dog · **What happens:** be, happen · **To what, where:** back seat, crash

<!-- .vabout -->
This is test 2 · ★ of lesson 37 «Seat belts, crashes and keeping safe» of the physics 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/physics/37-seat-belts-crashes-and-keeping-safe/#t2).

## The question {#question}

<!-- .note -->
*Sentence 1:* A pet dog is loose on the back seat.

```conllu
# sent_id = question:physics:37-seat-belts-crashes-and-keeping-safe:t2:1
# text = A pet dog is loose on the back seat.
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	pet	pet	NOUN	NN	Number=Sing	3	compound	_	_
3	dog	dog	NOUN	NN	Number=Sing	5	nsubj	_	_
4	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
5	loose	loose	ADJ	JJ	Degree=Pos	0	root	_	_
6	on	on	ADP	IN	_	9	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
8	back	back	NOUN	NN	Number=Sing	9	compound	_	_
9	seat	seat	NOUN	NN	Number=Sing	5	obl	_	SpaceAfter=No
10	.	.	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | a pet dog |  |  | the back seat |  | loose *property* | 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.

<!-- .note -->
*Sentence 2:* What could happen in a crash?

```conllu
# sent_id = question:physics:37-seat-belts-crashes-and-keeping-safe:t2:2
# text = What could happen in a crash?
1	What	what	PRON	WP	PronType=Int	3	nsubj	_	_
2	could	could	AUX	MD	VerbForm=Fin	3	aux	_	_
3	happen	happen	VERB	VB	VerbForm=Inf	0	root	_	_
4	in	in	ADP	IN	_	6	case	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	crash	crash	NOUN	NN	Number=Sing	3	obl	_	SpaceAfter=No
7	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **happen** | could |  |  |  | a crash |  |  | vn occur-48.3-1 «NP V PP»: agent=Theme in crash=Location |

## The options {#options}

### Option 1 · ← Mova's choice · ✓ the right answer {#o1}

<!-- .ven lang=en -->
It would keep moving forward and fly through the car

```conllu
# sent_id = question:physics:37-seat-belts-crashes-and-keeping-safe:t2:o1:1
# text = It would keep moving forward and fly through the car
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	keep	keep	VERB	VB	VerbForm=Inf	0	root	_	_
4	moving	move	VERB	VBG	VerbForm=Ger	3	xcomp	_	_
5	forward	forward	ADV	RB	_	4	advmod	_	_
6	and	and	CCONJ	CC	_	7	cc	_	_
7	fly	fly	VERB	VB	VerbForm=Inf	3	conj	_	_
8	through	through	ADP	IN	_	10	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	car	car	NOUN	NN	Number=Sing	7	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **keep** | would | It |  |  |  |  |  | tree rules |
| 2 | **move forward** | gerund |  |  |  |  |  | forward *property* | vn roll-51.3.1 «NP.theme V»: agent=Theme |
| 3 | **fly** | infinitive |  |  |  | the car |  |  | vn spatial\_configuration-47.6-1 «NP V PP.location»: agent=Theme through car=Location |

### Option 2 {#o2}

<!-- .ven lang=en -->
It would stay still on the seat, because it is so light

```conllu
# sent_id = question:physics:37-seat-belts-crashes-and-keeping-safe:t2:o2:1
# text = It would stay still on the seat, because it is so light
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	stay	stay	VERB	VB	VerbForm=Inf	0	root	_	_
4	still	still	ADV	RB	_	3	advmod	_	_
5	on	on	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	seat	seat	NOUN	NN	Number=Sing	3	obl	_	SpaceAfter=No
8	,	,	PUNCT	,	_	13	punct	_	_
9	because	because	SCONJ	IN	_	13	mark	_	_
10	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	13	nsubj	_	_
11	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	13	cop	_	_
12	so	so	ADV	RB	_	13	advmod	_	_
13	light	light	ADJ	JJ	Degree=Pos	3	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **stay** | would | It |  |  | the seat | still |  | vn exist-47.1 «NP V PP.location»: agent=Theme on seat=Location |
| 2 | **is** | present | seat |  |  |  |  | light *property* | tree rules |

### Option 3 {#o3}

<!-- .ven lang=en -->
It would be pushed into the back window

```conllu
# sent_id = question:physics:37-seat-belts-crashes-and-keeping-safe:t2:o3:1
# text = It would be pushed into the back window
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj:pass	_	_
2	would	would	AUX	MD	VerbForm=Fin	4	aux	_	_
3	be	be	AUX	VB	VerbForm=Inf	4	aux:pass	_	_
4	pushed	push	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	into	into	ADP	IN	_	8	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
7	back	back	NOUN	NN	Number=Sing	8	compound	_	_
8	window	window	NOUN	NN	Number=Sing	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **push** | would · passive |  | It |  | the back window |  |  | vn funnel-9.3-1-1 «NP V NP PP.destination»: subject=Theme into window=Destination |

### Option 4 {#o4}

<!-- .ven lang=en -->
Nothing, dogs always land on their feet

```conllu
# sent_id = question:physics:37-seat-belts-crashes-and-keeping-safe:t2:o4:1
# text = Nothing, dogs always land on their feet
1	Nothing	nothing	PRON	NN	Number=Sing|PronType=Neg	3	compound	_	SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	_	_
3	dogs	dog	NOUN	NNS	Number=Plur	5	nsubj	_	_
4	always	always	ADV	RB	PronType=Tot	5	advmod	_	_
5	land	land	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	on	on	ADP	IN	_	8	case	_	_
7	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	8	nmod:poss	_	_
8	feet	foot	NOUN	NNS	Number=Plur	5	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **land** | present | Nothing dogs |  |  | dogs's feet |  | always *property* | vn pocket-9.10-1 «NP V NP PP.destination»: agent=Agent on foot=Destination |

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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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