---
title: Identify the principal function of a crumple zone in a motor vehicle. — Car safety: brakes, seat belts and air… · tree and pragmatics
description: Identify the principal function of a crumple zone in a motor vehicle. Exam question 1 of lesson 18 «Car safety: brakes, seat belts and airbags» 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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# Exam question 1 · Car safety: brakes, seat belts and airbags

<!-- .ven lang=en -->
Identify the principal function of a crumple zone in a motor vehicle.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 4 · wrong ✗ · **Who acts:** you · **What happens:** identify · **To what, where:** principal function

<!-- .vabout -->
This is exam question 1 of lesson 18 «Car safety: brakes, seat belts and airbags» of the technology 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/technology/18-car-safety/#e1).

## The question {#question}

```conllu
# sent_id = question:technology:18-car-safety:e1:1
# text = Identify the principal function of a crumple zone in a motor vehicle.
1	Identify	identify	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
3	principal	principal	ADJ	JJ	Degree=Pos	4	amod	_	_
4	function	function	NOUN	NN	Number=Sing	1	obj	_	_
5	of	of	ADP	IN	_	8	case	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
7	crumple	crumple	NOUN	NN	Number=Sing	8	compound	_	_
8	zone	zone	NOUN	NN	Number=Sing	4	nmod	_	_
9	in	in	ADP	IN	_	12	case	_	_
10	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	_
11	motor	motor	NOUN	NN	Number=Sing	12	compound	_	_
12	vehicle	vehicle	NOUN	NN	Number=Sing	8	nmod	_	SpaceAfter=No
13	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **identify** | imperative | you *not said here* | the principal function of a crumple zone in a motor vehicle |  |  |  |  | vn characterize-29.2-1-1 «NP V NP S\_ING»: agent=Agent function=Theme |

<!-- .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 {#o1}

<!-- .ven lang=en -->
The reduction of the cost of manufacture

```conllu
# sent_id = question:technology:18-car-safety:e1:o1:1
# text = The reduction of the cost of manufacture
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	reduction	reduction	NOUN	NN	Number=Sing	0	root	_	_
3	of	of	ADP	IN	_	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	cost	cost	NOUN	NN	Number=Sing	2	nmod	_	_
6	of	of	ADP	IN	_	7	case	_	_
7	manufacture	manufacture	NOUN	NN	Number=Sing	5	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **reduce** |  |  | the cost of manufacture |  |  |  |  | nom reduction «act transitive»: of=patient |
| 2 | **cost** |  |  | manufacture |  |  |  |  | nom cost «possession transitive»: of=patient |

### Option 2 {#o2}

<!-- .ven lang=en -->
The improvement of the vehicle's appearance

```conllu
# sent_id = question:technology:18-car-safety:e1:o2:1
# text = The improvement of the vehicle's appearance
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	improvement	improvement	NOUN	NN	Number=Sing	0	root	_	_
3	of	of	ADP	IN	_	7	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	vehicle	vehicle	NOUN	NN	Number=Sing	7	nmod:poss	_	SpaceAfter=No
6	's	's	PART	POS	_	5	case	_	_
7	appearance	appearance	NOUN	NN	Number=Sing	2	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **improve** |  | the vehicle's appearance |  |  |  |  |  | nom improvement «event intransitive»: of=agent |

### Option 3 {#o3}

<!-- .ven lang=en -->
The provision of additional storage space

```conllu
# sent_id = question:technology:18-car-safety:e1:o3:1
# text = The provision of additional storage space
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	provision	provision	NOUN	NN	Number=Sing	0	root	_	_
3	of	of	ADP	IN	_	6	case	_	_
4	additional	additional	ADJ	JJ	Degree=Pos	6	amod	_	_
5	storage	storage	NOUN	NN	Number=Sing	6	compound	_	_
6	space	space	NOUN	NN	Number=Sing	2	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **provide** |  | additional storage space |  |  |  |  |  | nom provision «communication intransitive»: of=agent |

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

<!-- .ven lang=en -->
The absorption of energy so that occupants are decelerated more gently

```conllu
# sent_id = question:technology:18-car-safety:e1:o4:1
# text = The absorption of energy so that occupants are decelerated more gently
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	absorption	absorption	NOUN	NN	Number=Sing	9	nsubj:pass	_	_
3	of	of	ADP	IN	_	4	case	_	_
4	energy	energy	NOUN	NN	Number=Sing	2	nmod	_	_
5	so	so	SCONJ	IN	_	9	mark	_	_
6	that	that	SCONJ	IN	_	9	mark	_	_
7	occupants	occupant	NOUN	NNS	Number=Plur	9	nsubj	_	_
8	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	9	aux:pass	_	_
9	decelerated	decelerate	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
10	more	more	ADV	RBR	Degree=Cmp	9	advmod	_	_
11	gently	gently	ADV	RB	_	9	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **decelerate** | present · passive |  | the absorption of energy |  |  |  | gently *property* | vn other\_cos-45.4 «NP V NP.patient»: subject=Patient |
| 2 | **absorb** |  |  | energy |  |  |  |  | nom absorption «process transitive»: of=patient |

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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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- ← previous: [Car safety: brakes, seat belts and air…, test 11](https://md.mova.elamur.ai/free/en/corpora/questions/technology/18-car-safety/t11/)
- next →: [Car safety: brakes, seat belts and air…, exam 2](https://md.mova.elamur.ai/free/en/corpora/questions/technology/18-car-safety/e2/)
- ↑ back to [Car safety: brakes, seat belts and airbags](https://md.mova.elamur.ai/free/en/corpora/questions/technology/18-car-safety/)