---
title: What would happen to eyes in a fish family that lives in a dark cave… — Caves: bat clouds, blind fish, the olm… · tree and pragmatics
description: What would happen to eyes in a fish family that lives in a dark cave for many, many generations? Test 6 · ★ of lesson 179 «Caves: bat clouds, blind fish, the olm, glowworms and a sealed cave» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and 
---

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# Test 6 · ★ · Caves: bat clouds, blind fish, the olm, glowworms and a se…

<!-- .ven lang=en -->
What would happen to eyes in a fish family that lives in a dark cave for many, many generations?

<!-- .vintro -->
**Mova's choice:** option 2 · **The right answer:** option 4 · wrong ✗ · **Who acts:** fish family · **What happens:** happen, live · **To what, where:** fish family, dark cave

<!-- .vabout -->
This is test 6 · ★ of lesson 179 «Caves: bat clouds, blind fish, the olm, glowworms and a sealed cave» 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/179-caves-bat-clouds-blind-fish-the-olm-glowworms-and-a-sealed-cave/#t6).

## The question {#question}

```conllu
# sent_id = question:biology:179-caves-bat-clouds-blind-fish-the-olm-glowworms-and-a-sealed-cave:t6:1
# text = What would happen to eyes in a fish family that lives in a dark cave for many, many generations?
1	What	what	PRON	WP	PronType=Int	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	happen	happen	VERB	VB	VerbForm=Inf	0	root	_	_
4	to	to	ADP	IN	_	5	case	_	_
5	eyes	eye	NOUN	NNS	Number=Plur	3	obl	_	_
6	in	in	ADP	IN	_	9	case	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
8	fish	fish	NOUN	NN	Number=Sing	9	compound	_	_
9	family	family	NOUN	NN	Number=Sing	3	obl	_	_
10	that	that	PRON	WDT	PronType=Rel	11	nsubj	_	_
11	lives	live	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	9	acl:relcl	_	_
12	in	in	ADP	IN	_	15	case	_	_
13	a	a	DET	DT	Definite=Ind|PronType=Art	15	det	_	_
14	dark	dark	ADJ	JJ	Degree=Pos	15	amod	_	_
15	cave	cave	NOUN	NN	Number=Sing	11	obl	_	_
16	for	for	ADP	IN	_	20	case	_	_
17	many	many	ADJ	JJ	Degree=Pos	20	amod	_	SpaceAfter=No
18	,	,	PUNCT	,	_	17	punct	_	_
19	many	many	ADJ	JJ	Degree=Pos	20	amod	_	_
20	generations	generation	NOUN	NNS	Number=Plur	15	nmod	_	SpaceAfter=No
21	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **happen** | would |  |  |  | a fish family |  | to eyes | vn occur-48.3-1 «NP V PP»: agent=Theme in family=Location |
| 2 | **live** | present | a fish family |  |  | a dark cave for many many generations |  |  | vn lodge-46 «NP V PP.location»: agent=Theme in cave=Location |

<!-- .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 {#o1}

<!-- .ven lang=en -->
Nothing ever changes in any animal, not even in a million years

```conllu
# sent_id = question:biology:179-caves-bat-clouds-blind-fish-the-olm-glowworms-and-a-sealed-cave:t6:o1:1
# text = Nothing ever changes in any animal, not even in a million years
1	Nothing	nothing	PRON	NN	Number=Sing|PronType=Neg	3	nsubj	_	_
2	ever	ever	ADV	RB	PronType=Ind	3	advmod	_	_
3	changes	change	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	in	in	ADP	IN	_	6	case	_	_
5	any	any	DET	DT	PronType=Ind	6	det	_	_
6	animal	animal	NOUN	NN	Number=Sing	3	obl	_	SpaceAfter=No
7	,	,	PUNCT	,	_	13	punct	_	_
8	not	not	PART	RB	Polarity=Neg	13	advmod	_	_
9	even	even	ADV	RB	_	13	advmod	_	_
10	in	in	ADP	IN	_	13	case	_	_
11	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	_
12	million	million	NUM	CD	NumForm=Word|NumType=Card	13	nummod	_	_
13	years	year	NOUN	NNS	Number=Plur	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **change** | present | Nothing |  |  |  | ever; year | in any animal | vn dress-41.1.1-1-1 «NP V»: agent=Agent |

### Option 2 · ← Mova's choice {#o2}

<!-- .ven lang=en -->
The fish would grow bigger eyes to see better

```conllu
# sent_id = question:biology:179-caves-bat-clouds-blind-fish-the-olm-glowworms-and-a-sealed-cave:t6:o2:1
# text = The fish would grow bigger eyes to see better
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	fish	fish	NOUN	NN	Number=Sing	4	nsubj	_	_
3	would	would	AUX	MD	VerbForm=Fin	4	aux	_	_
4	grow	grow	VERB	VB	VerbForm=Inf	0	root	_	_
5	bigger	big	ADJ	JJR	Degree=Cmp	6	amod	_	_
6	eyes	eye	NOUN	NNS	Number=Plur	4	obj	_	_
7	to	to	PART	TO	_	8	mark	_	_
8	see	see	VERB	VB	VerbForm=Inf	4	advcl	_	_
9	better	well	ADV	RBR	Degree=Cmp	8	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **grow** | would | the fish | bigger eyes |  |  |  |  | vn appear-48.1.1 «PP.location V NP»: agent=Location eye=Theme |
| 2 | **see** | to-infinitive | the fish *not said here* |  |  |  |  | well *property* | vn comprehend-87.2-1-1 «NP V»: agent=Experiencer |

### Option 3 {#o3}

<!-- .ven lang=en -->
The fish would grow wings

```conllu
# sent_id = question:biology:179-caves-bat-clouds-blind-fish-the-olm-glowworms-and-a-sealed-cave:t6:o3:1
# text = The fish would grow wings
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	fish	fish	NOUN	NN	Number=Sing	4	nsubj	_	_
3	would	would	AUX	MD	VerbForm=Fin	4	aux	_	_
4	grow	grow	VERB	VB	VerbForm=Inf	0	root	_	_
5	wings	wing	NOUN	NNS	Number=Plur	4	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **grow** | would | the fish | wings |  |  |  |  | vn appear-48.1.1 «PP.location V NP»: agent=Location wing=Theme |

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

<!-- .ven lang=en -->
Eyes could shrink and disappear, since they are useless there

```conllu
# sent_id = question:biology:179-caves-bat-clouds-blind-fish-the-olm-glowworms-and-a-sealed-cave:t6:o4:1
# text = Eyes could shrink and disappear, since they are useless there
1	Eyes	eye	NOUN	NNS	Number=Plur	3	nsubj	_	_
2	could	could	AUX	MD	VerbForm=Fin	3	aux	_	_
3	shrink	shrink	VERB	VB	VerbForm=Inf	0	root	_	_
4	and	and	CCONJ	CC	_	5	cc	_	_
5	disappear	disappear	VERB	VB	VerbForm=Inf	3	conj	_	SpaceAfter=No
6	,	,	PUNCT	,	_	10	punct	_	_
7	since	since	SCONJ	IN	_	10	mark	_	_
8	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	10	nsubj	_	_
9	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	10	cop	_	_
10	useless	useless	ADJ	JJ	Degree=Pos	3	conj	_	_
11	there	there	ADV	RB	PronType=Dem	10	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **shrink** | could | Eyes |  |  |  |  |  | vn bend-45.2 «NP.patient V»: agent=Patient |
| 2 | **disappear** | infinitive | Eyes *not said here* |  |  |  |  |  | vn disappearance-48.2-1 «NP V»: agent=Theme |
| 3 | **is** | present | Eyes *= eye* |  |  | there |  | useless *property* | tree rules |

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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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