---
title: A scallop has no head. Why might it still need eyes? — Counting animals: eyes, ears, hearts,… · tree and pragmatics
description: A scallop has no head. Why might it still need eyes? Test 9 of lesson 41 «Counting animals: eyes, ears, hearts, trunks, tentacles, teeth» 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.
---

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# Test 9 · Counting animals: eyes, ears, hearts, trunks, tentacles, t…

<!-- .ven lang=en -->
A scallop has no head. Why might it still need eyes?

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 1 · wrong ✗ · **Who acts:** scallop · **What happens:** have, need · **To what, where:** head, eyes

<!-- .vabout -->
This is test 9 of lesson 41 «Counting animals: eyes, ears, hearts, trunks, tentacles, teeth» 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/41-counting-animals/#t9).

## The question {#question}

<!-- .note -->
*Sentence 1:* A scallop has no head.

```conllu
# sent_id = question:biology:41-counting-animals:t9:1
# text = A scallop has no head.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	scallop	scallop	NOUN	NN	Number=Sing	3	nsubj	_	_
3	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	no	no	DET	DT	PronType=Neg	5	det	_	_
5	head	head	NOUN	NN	Number=Sing	3	obj	_	SpaceAfter=No
6	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have** | present | a scallop | no head |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent head=Patient |

<!-- .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:* Why might it still need eyes?

```conllu
# sent_id = question:biology:41-counting-animals:t9:2
# text = Why might it still need eyes?
1	Why	why	ADV	WRB	PronType=Int	5	advmod	_	_
2	might	might	AUX	MD	VerbForm=Fin	5	aux	_	_
3	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj	_	_
4	still	still	ADV	RB	_	5	advmod	_	_
5	need	need	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	eyes	eye	NOUN	NNS	Number=Plur	5	obj	_	SpaceAfter=No
7	?	?	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **need** | might | scallop | eyes |  |  | still |  | vn want-32.1-1-1 «NP V NP ADV»: agent=Pivot eye=Theme |

## The options {#options}

### Option 1 · ✓ the right answer {#o1}

<!-- .ven lang=en -->
To see a starfish's shadow and swim away by clapping its shell

```conllu
# sent_id = question:biology:41-counting-animals:t9:o1:1
# text = To see a starfish's shadow and swim away by clapping its shell
1	To	to	PART	TO	_	2	mark	_	_
2	see	see	VERB	VB	VerbForm=Inf	8	advcl	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
4	starfish	starfish	NOUN	NN	Number=Sing	6	nmod:poss	_	SpaceAfter=No
5	's	's	PART	POS	_	4	case	_	_
6	shadow	shadow	NOUN	NN	Number=Sing	2	obj	_	_
7	and	and	CCONJ	CC	_	8	cc	_	_
8	swim	swim	VERB	VBP	Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin	0	root	_	_
9	away	away	ADV	RB	_	8	advmod	_	_
10	by	by	SCONJ	IN	_	11	mark	_	_
11	clapping	clap	VERB	VBG	Tense=Pres|VerbForm=Part	8	advcl	_	_
12	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	13	nmod:poss	_	_
13	shell	shell	NOUN	NN	Number=Sing	11	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **see** | to-infinitive |  | a starfish's shadow |  |  |  |  | vn comprehend-87.2-1-1 «NP V NP»: agent=Experiencer shadow=Stimulus |
| 2 | **swim away** | present |  |  |  |  |  | away *property* | vn run-51.3.2-1 «NP V»: agent=Theme |
| 3 | **clap** | gerund |  | shadow's shell |  |  |  |  | vn sound\_emission-43.2 «PP.location V NP»: agent=Location shell=Theme |
| 4 | **shadow** |  | a starfish |  |  |  |  |  | nom shadow «state transitive»: poss=agent |

### Option 2 {#o2}

<!-- .ven lang=en -->
To read the numbers on the tags at the fishmonger's shop

```conllu
# sent_id = question:biology:41-counting-animals:t9:o2:1
# text = To read the numbers on the tags at the fishmonger's shop
1	To	to	PART	TO	_	2	mark	_	_
2	read	read	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	numbers	number	NOUN	NNS	Number=Plur	2	obj	_	_
5	on	on	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	tags	tag	NOUN	NNS	Number=Plur	2	obl	_	_
8	at	at	ADP	IN	_	12	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	fishmonger	fishmonger	NOUN	NN	Number=Sing	12	nmod:poss	_	SpaceAfter=No
11	's	's	PART	POS	_	10	case	_	_
12	shop	shop	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **read** | to-infinitive |  | the numbers |  | the tags |  | at the fishmonger's shop | vn register-54.1-2-1 «NP V NP PP.value»: agent=Agent number=Theme at shop=Value |

### Option 3 · ← Mova's choice {#o3}

<!-- .ven lang=en -->
It does not need them, they are only there for decoration

```conllu
# sent_id = question:biology:41-counting-animals:t9:o3:1
# text = It does not need them, they are only there for decoration
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj	_	_
2	does	do	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux	_	_
3	not	not	PART	RB	Polarity=Neg	4	advmod	_	_
4	need	need	VERB	VB	VerbForm=Inf	0	root	_	_
5	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	4	obj	_	SpaceAfter=No
6	,	,	PUNCT	,	_	10	punct	_	_
7	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	10	nsubj	_	_
8	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	10	cop	_	_
9	only	only	ADV	RB	_	10	advmod	_	_
10	there	there	ADV	RB	PronType=Dem	4	conj	_	_
11	for	for	ADP	IN	_	12	case	_	_
12	decoration	decoration	NOUN	NN	Number=Sing	10	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **need** | present · do-support | It | them *= they* |  |  |  |  | vn want-32.1-1-1 «NP V NP ADV»: agent=Pivot they=Theme |
| 2 | **is** | present | they |  |  |  |  | for decoration; there *property* | tree rules |

### Option 4 {#o4}

<!-- .ven lang=en -->
To find its way back home to the head it once had

```conllu
# sent_id = question:biology:41-counting-animals:t9:o4:1
# text = To find its way back home to the head it once had
1	To	to	PART	TO	_	2	mark	_	_
2	find	find	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
3	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	4	nmod:poss	_	_
4	way	way	NOUN	NN	Number=Sing	2	obj	_	_
5	back	back	ADV	RB	_	6	advmod	_	_
6	home	home	ADV	RB	_	2	advmod	_	_
7	to	to	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	head	head	NOUN	NN	Number=Sing	2	obl	_	_
10	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	12	nsubj	_	_
11	once	once	ADV	RB	NumForm=Word|NumType=Mult	12	advmod	_	_
12	had	have	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	9	acl:relcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **find** | to-infinitive |  | its way |  |  |  | to the head; home *property* | vn discover-84 «NP V NP»: agent=Agent way=Topic |
| 2 | **have** | past | way | the head *not said here* |  |  |  | once *property* | vn birth-28.2-1 «NP V NP»: agent=Agent head=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.

<!-- /div -->

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