---
title: Why would a swimsuit maker copy shark skin? — Sharks · tree and pragmatics
description: Why would a swimsuit maker copy shark skin? Test 6 · ★★ of lesson 28 «Sharks» of the biology 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 6 · ★★ · Sharks

<!-- .ven lang=en -->
Why would a swimsuit maker copy shark skin?

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 3 · right ✓

<!-- .vabout -->
This is test 6 · ★★ of lesson 28 «Sharks» of the biology 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/biology/28-sharks/#t6).

## The question {#question}

```conllu
# sent_id = question:biology:28-sharks:t6:1
# text = Why would a swimsuit maker copy shark skin?
1	Why	why	ADV	WRB	PronType=Int	0	root	_	_
2	would	would	AUX	MD	VerbForm=Fin	8	aux	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
4	swimsuit	swimsuit	NOUN	NN	Number=Sing	5	compound	_	_
5	maker	maker	NOUN	NN	Number=Sing	6	compound	_	_
6	copy	copy	NOUN	NN	Number=Sing	7	compound	_	_
7	shark	shark	NOUN	NN	Number=Sing	8	compound	_	_
8	skin	skin	NOUN	NN	Number=Sing	1	parataxis	_	SpaceAfter=No
9	?	?	PUNCT	.	_	1	punct	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
It keeps the swimmer warm

```conllu
# sent_id = question:biology:28-sharks:t6:o1:1
# text = It keeps the swimmer warm
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	keeps	keep	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	swimmer	swimmer	NOUN	NN	Number=Sing	2	obj	_	_
5	warm	warm	ADJ	JJ	Degree=Pos	2	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **keep** | present | It | the swimmer |  |  |  | warm *property* | vn keep-15.2 «NP V NP»: agent=Agent swimmer=Theme |

### Option 2 {#o2}

<!-- .ven lang=en -->
It stops sharks noticing you

```conllu
# sent_id = question:biology:28-sharks:t6:o2:1
# text = It stops sharks noticing you
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	stops	stop	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	sharks	shark	NOUN	NNS	Number=Plur	2	obj	_	_
4	noticing	notice	VERB	VBG	VerbForm=Ger	3	acl	_	_
5	you	you	PRON	PRP	Case=Acc|Person=2|PronType=Prs	4	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **stop** | present | It | sharks |  |  |  |  | vn stop-55.4-1-1 «NP V NP.eventuality»: agent=Subeventuality shark=Eventuality |
| 2 | **notice** | gerund | sharks *not said here* | you |  |  |  |  | vn see-30.1-1 «NP V S»: agent=Experiencer you=Stimulus |

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

<!-- .ven lang=en -->
Its tiny scales help water flow smoothly, so you swim faster

```conllu
# sent_id = question:biology:28-sharks:t6:o3:1
# text = Its tiny scales help water flow smoothly, so you swim faster
1	Its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	3	nmod:poss	_	_
2	tiny	tiny	ADJ	JJ	Degree=Pos	3	amod	_	_
3	scales	scale	NOUN	NNS	Number=Plur	4	nsubj	_	_
4	help	help	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	water	water	NOUN	NN	Number=Sing	6	compound	_	_
6	flow	flow	VERB	VB	VerbForm=Inf	4	xcomp	_	_
7	smoothly	smoothly	ADV	RB	_	6	advmod	_	SpaceAfter=No
8	,	,	PUNCT	,	_	11	punct	_	_
9	so	so	ADV	RB	_	11	advmod	_	_
10	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	11	nsubj	_	_
11	swim	swim	VERB	VBP	Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin	4	conj	_	_
12	faster	fast	ADV	RBR	Degree=Cmp	11	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **help** | present | Its tiny scales |  |  |  |  |  | vn help-72.1-1-1 «NP V NP S\_INF»: agent=Agent clause=Theme |
| 2 | **flow** | infinitive | Its tiny scales *not said here* |  |  |  |  | smoothly *property* | vn appear-48.1.1 «NP V»: agent=Theme |
| 3 | **swim** | present | you |  |  |  |  | fast *property* | vn run-51.3.2-1 «NP V»: agent=Theme |

### Option 4 {#o4}

<!-- .ven lang=en -->
It makes the swimmer look big and scary to the sharks in the water

```conllu
# sent_id = question:biology:28-sharks:t6:o4:1
# text = It makes the swimmer look big and scary to the sharks in the water
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	makes	make	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	swimmer	swimmer	NOUN	NN	Number=Sing	2	obj	_	_
5	look	look	VERB	VB	VerbForm=Inf	2	xcomp	_	_
6	big	big	ADJ	JJ	Degree=Pos	5	xcomp	_	_
7	and	and	CCONJ	CC	_	8	cc	_	_
8	scary	scary	ADJ	JJ	Degree=Pos	6	conj	_	_
9	to	to	ADP	IN	_	11	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	sharks	shark	NOUN	NNS	Number=Plur	5	obl	_	_
12	in	in	ADP	IN	_	14	case	_	_
13	the	the	DET	DT	Definite=Def|PronType=Art	14	det	_	_
14	water	water	NOUN	NN	Number=Sing	5	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present | It | the swimmer |  |  |  |  | tree rules |
| 2 | **look** | infinitive | the swimmer *not said here* |  |  | the water |  | to the sharks; big *property* | vn stimulus\_subject-30.4 «NP V ADJ PP.experiencer»: agent=Stimulus to shark=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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