---
title: Why would a flat body help a ray? — The aquarium: the shark tunnel and the… · tree and pragmatics
description: Why would a flat body help a ray? Test 7 of lesson 91 «The aquarium: the shark tunnel and the rays» 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 wrong.
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/biology/91-the-aquarium-the-shark-tunnel-and-the-rays/t7/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [questions](https://md.mova.elamur.ai/free/en/corpora/questions/) / [Biology](https://md.mova.elamur.ai/free/en/corpora/questions/biology/) / [The aquarium: the shark tunnel and the…](https://md.mova.elamur.ai/free/en/corpora/questions/biology/91-the-aquarium-the-shark-tunnel-and-the-rays/) / t7

# Test 7 · The aquarium: the shark tunnel and the rays

<!-- .ven lang=en -->
Why would a flat body help a ray?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** flat body · **What happens:** help · **To what, where:** ray

<!-- .vabout -->
This is test 7 of lesson 91 «The aquarium: the shark tunnel and the rays» 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/91-the-aquarium-the-shark-tunnel-and-the-rays/#t7).

## The question {#question}

```conllu
# sent_id = question:biology:91-the-aquarium-the-shark-tunnel-and-the-rays:t7:1
# text = Why would a flat body help a ray?
1	Why	why	ADV	WRB	PronType=Int	6	advmod	_	_
2	would	would	AUX	MD	VerbForm=Fin	6	aux	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
4	flat	flat	ADJ	JJ	Degree=Pos	5	amod	_	_
5	body	body	NOUN	NN	Number=Sing	6	nsubj	_	_
6	help	help	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
8	ray	ray	NOUN	NN	Number=Sing	6	obj	_	SpaceAfter=No
9	?	?	PUNCT	.	_	6	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **help** | would | a flat body | a ray |  |  |  |  | vn help-72.1-1-1 «NP V NP»: agent=Agent ray=Beneficiary |

<!-- .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 -->
It can swim faster than any shark in the whole ocean

```conllu
# sent_id = question:biology:91-the-aquarium-the-shark-tunnel-and-the-rays:t7:o1:1
# text = It can swim faster than any shark in the whole ocean
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	can	can	AUX	MD	VerbForm=Fin	3	aux	_	_
3	swim	swim	VERB	VB	VerbForm=Inf	0	root	_	_
4	faster	fast	ADV	RBR	Degree=Cmp	3	advmod	_	_
5	than	than	ADP	IN	_	7	case	_	_
6	any	any	DET	DT	PronType=Ind	7	det	_	_
7	shark	shark	NOUN	NN	Number=Sing	3	obl	_	_
8	in	in	ADP	IN	_	11	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
10	whole	whole	ADJ	JJ	Degree=Pos	11	amod	_	_
11	ocean	ocean	NOUN	NN	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **swim** | can | It |  |  | the whole ocean |  | than any shark; fast *property* | vn run-51.3.2-1 «NP V PP.location»: agent=Theme in ocean=Trajectory |

### Option 2 {#o2}

<!-- .ven lang=en -->
It can climb up rocks

```conllu
# sent_id = question:biology:91-the-aquarium-the-shark-tunnel-and-the-rays:t7:o2:1
# text = It can climb up rocks
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	can	can	AUX	MD	VerbForm=Fin	3	aux	_	_
3	climb	climb	VERB	VB	VerbForm=Inf	0	root	_	_
4	up	up	ADP	RP	_	3	compound:prt	_	_
5	rocks	rock	NOUN	NNS	Number=Plur	3	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **climb up** | can | It | rocks |  |  |  |  | vn run-51.3.2 «PP.location V NP»: agent=Initial\_Location rock=Theme |

### Option 3 · ✓ the right answer {#o3}

<!-- .ven lang=en -->
It can hide in sand and glide along the sea floor

```conllu
# sent_id = question:biology:91-the-aquarium-the-shark-tunnel-and-the-rays:t7:o3:1
# text = It can hide in sand and glide along the sea floor
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	can	can	AUX	MD	VerbForm=Fin	3	aux	_	_
3	hide	hide	VERB	VB	VerbForm=Inf	0	root	_	_
4	in	in	ADP	IN	_	5	case	_	_
5	sand	sand	NOUN	NN	Number=Sing	3	obl	_	_
6	and	and	CCONJ	CC	_	7	cc	_	_
7	glide	glide	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
8	along	along	ADP	IN	_	11	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
10	sea	sea	NOUN	NN	Number=Sing	11	compound	_	_
11	floor	floor	NOUN	NN	Number=Sing	7	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **hide** | can | It |  |  | sand |  |  | vn concealment-16-1 «NP V PP.location»: agent=Agent in sand=Location |
| 2 | **glide** | present |  |  |  | the sea floor |  |  | vn run-51.3.2-2 «NP V PP.location»: agent=Theme along floor=Trajectory |

### Option 4 {#o4}

<!-- .ven lang=en -->
It can float on the surface to sunbathe

```conllu
# sent_id = question:biology:91-the-aquarium-the-shark-tunnel-and-the-rays:t7:o4:1
# text = It can float on the surface to sunbathe
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	can	can	AUX	MD	VerbForm=Fin	3	aux	_	_
3	float	float	VERB	VB	VerbForm=Inf	0	root	_	_
4	on	on	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	surface	surface	NOUN	NN	Number=Sing	3	obl	_	_
7	to	to	PART	TO	_	8	mark	_	_
8	sunbathe	sunbathe	VERB	VB	VerbForm=Inf	3	advcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **float** | can | It |  |  | the surface |  |  | vn run-51.3.2-2 «NP V PP.location»: agent=Theme on surface=Trajectory |
| 2 | **sunbathe** | to-infinitive |  |  |  |  |  |  | vn dress-41.1.1-1-1 «NP V»: agent=Agent |

<!-- div src -->

**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 -->

<!-- pn -->
- ← previous: [The aquarium: the shark tunnel and the…, test 6](https://md.mova.elamur.ai/free/en/corpora/questions/biology/91-the-aquarium-the-shark-tunnel-and-the-rays/t6/)
- next →: [The aquarium: the shark tunnel and the…, test 8](https://md.mova.elamur.ai/free/en/corpora/questions/biology/91-the-aquarium-the-shark-tunnel-and-the-rays/t8/)
- ↑ back to [The aquarium: the shark tunnel and the rays](https://md.mova.elamur.ai/free/en/corpora/questions/biology/91-the-aquarium-the-shark-tunnel-and-the-rays/)