---
title: Why would a glowing lure be a great trap in the deep sea but not in… — How animals hunt · tree and pragmatics
description: Why would a glowing lure be a great trap in the deep sea but not in a sunny pond? Test 7 · ★ of lesson 52 «How animals hunt» 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 7 · ★ · How animals hunt

<!-- .ven lang=en -->
Why would a glowing lure be a great trap in the deep sea but not in a sunny pond?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 2 · wrong ✗ · **Who acts:** glowing lure · **What happens:** glow, be · **To what, where:** great trap, deep sea

<!-- .vabout -->
This is test 7 · ★ of lesson 52 «How animals hunt» 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/52-how-animals-hunt/#t7).

## The question {#question}

```conllu
# sent_id = question:biology:52-how-animals-hunt:t7:1
# text = Why would a glowing lure be a great trap in the deep sea but not in a sunny pond?
1	Why	why	ADV	WRB	PronType=Int	9	advmod	_	_
2	would	would	AUX	MD	VerbForm=Fin	9	aux	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
4	glowing	glow	VERB	VBG	VerbForm=Ger	5	amod	_	_
5	lure	lure	NOUN	NN	Number=Sing	9	nsubj	_	_
6	be	be	AUX	VB	VerbForm=Inf	9	cop	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
8	great	great	ADJ	JJ	Degree=Pos	9	amod	_	_
9	trap	trap	NOUN	NN	Number=Sing	0	root	_	_
10	in	in	ADP	IN	_	13	case	_	_
11	the	the	DET	DT	Definite=Def|PronType=Art	13	det	_	_
12	deep	deep	ADJ	JJ	Degree=Pos	13	amod	_	_
13	sea	sea	NOUN	NN	Number=Sing	9	nmod	_	_
14	but	but	CCONJ	CC	_	19	cc	_	_
15	not	not	PART	RB	Polarity=Neg	19	advmod	_	_
16	in	in	ADP	IN	_	19	case	_	_
17	a	a	DET	DT	Definite=Ind|PronType=Art	19	det	_	_
18	sunny	sunny	ADJ	JJ	Degree=Pos	19	amod	_	_
19	pond	pond	NOUN	NN	Number=Sing	13	conj	_	SpaceAfter=No
20	?	?	PUNCT	.	_	9	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **glow** | gerund |  |  |  |  |  |  | vn light\_emission-43.1 «NP V»: agent=Theme |
| 2 | **is a** | would | a glowing lure | a great trap |  | the deep sea but a sunny pond |  |  | 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.

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
Deep-sea fish are all blind

```conllu
# sent_id = question:biology:52-how-animals-hunt:t7:o1:1
# text = Deep-sea fish are all blind
1	Deep	deep	ADJ	JJ	Degree=Pos	3	amod	_	SpaceAfter=No
2	-	-	PUNCT	HYPH	_	1	punct	_	SpaceAfter=No
3	sea	sea	NOUN	NN	Number=Sing	4	compound	_	_
4	fish	fish	NOUN	NNS	Number=Plur	7	nsubj	_	_
5	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	7	cop	_	_
6	all	all	ADV	RB	_	7	advmod	_	_
7	blind	blind	ADJ	JJ	Degree=Pos	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | sea fish |  |  |  |  | all, blind *property* | tree rules |

### Option 2 · ✓ the right answer {#o2}

<!-- .ven lang=en -->
In total darkness light stands out, but in sunlight nobody notices it

```conllu
# sent_id = question:biology:52-how-animals-hunt:t7:o2:1
# text = In total darkness light stands out, but in sunlight nobody notices it
1	In	in	ADP	IN	_	3	case	_	_
2	total	total	ADJ	JJ	Degree=Pos	3	amod	_	_
3	darkness	darkness	NOUN	NN	Number=Sing	5	obl	_	_
4	light	light	NOUN	NN	Number=Sing	5	nsubj	_	_
5	stands	stand	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	out	out	ADP	RP	_	5	compound:prt	_	SpaceAfter=No
7	,	,	PUNCT	,	_	12	punct	_	_
8	but	but	CCONJ	CC	_	12	cc	_	_
9	in	in	ADP	IN	_	10	case	_	_
10	sunlight	sunlight	NOUN	NN	Number=Sing	12	obl	_	_
11	nobody	nobody	PRON	NN	Number=Sing|PronType=Neg	12	nsubj	_	_
12	notices	notice	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	conj	_	_
13	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	12	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **stand out** | present | light |  |  | total darkness |  |  | vn assuming\_position-50 «NP V PP.location»: agent=Agent in darkness=Location |
| 2 | **notice** | present | nobody | light |  | sunlight |  |  | vn see-30.1-1 «NP V S»: agent=Experiencer it=Stimulus |

### Option 3 {#o3}

<!-- .ven lang=en -->
Pond water stops light from glowing

```conllu
# sent_id = question:biology:52-how-animals-hunt:t7:o3:1
# text = Pond water stops light from glowing
1	Pond	pond	NOUN	NN	Number=Sing	2	compound	_	_
2	water	water	NOUN	NN	Number=Sing	3	nsubj	_	_
3	stops	stop	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	light	light	NOUN	NN	Number=Sing	3	obj	_	_
5	from	from	SCONJ	IN	_	6	mark	_	_
6	glowing	glow	VERB	VBG	Tense=Pres|VerbForm=Part	3	advcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **stop** | present | Pond water | light |  |  |  |  | vn stop-55.4-1-1 «NP V NP.eventuality»: agent=Subeventuality light=Eventuality |
| 2 | **glow** | gerund | Pond water *not said here* |  |  |  |  |  | vn light\_emission-43.1 «NP V»: agent=Theme |

### Option 4 {#o4}

<!-- .ven lang=en -->
Pond fish are scared of all lights, even very small ones, and swim away

<!-- fold The tree, 14 words -->
```conllu
# sent_id = question:biology:52-how-animals-hunt:t7:o4:1
# text = Pond fish are scared of all lights, even very small ones, and swim away
1	Pond	pond	NOUN	NN	Number=Sing	2	compound	_	_
2	fish	fish	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
4	scared	scared	ADJ	JJ	Degree=Pos	0	root	_	_
5	of	of	ADP	IN	_	7	case	_	_
6	all	all	DET	DT	PronType=Tot	7	det	_	_
7	lights	light	NOUN	NNS	Number=Plur	4	obl	_	SpaceAfter=No
8	,	,	PUNCT	,	_	12	punct	_	_
9	even	even	ADV	RB	_	12	advmod	_	_
10	very	very	ADV	RB	_	11	advmod	_	_
11	small	small	ADJ	JJ	Degree=Pos	12	amod	_	_
12	ones	one	NOUN	NNS	Number=Plur	4	conj	_	SpaceAfter=No
13	,	,	PUNCT	,	_	15	punct	_	_
14	and	and	CCONJ	CC	_	15	cc	_	_
15	swim	swim	VERB	VB	VerbForm=Inf	4	conj	_	_
16	away	away	ADV	RB	_	15	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Pond fish |  |  |  |  | of all lights; scared *property* | tree rules |
| 2 | **swim away** | infinitive | Pond fish *not said here* |  |  |  |  | away *property* | vn run-51.3.2-1 «NP V»: agent=Theme |

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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: [How animals hunt, test 6](https://md.mova.elamur.ai/free/en/corpora/questions/biology/52-how-animals-hunt/t6/)
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