---
title: What would happen if all the insect-eating bats near a farm disappea… — Myth check: are bats blind? · tree and pragmatics
description: What would happen if all the insect-eating bats near a farm disappeared? Test 7 · ★★ of lesson 153 «Myth check: are bats blind?» 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 · ★★ · Myth check: are bats blind?

<!-- .ven lang=en -->
What would happen if all the insect-eating bats near a farm disappeared?

<!-- .vintro -->
**Mova's choice:** option 4 · **The right answer:** option 3 · wrong ✗ · **Who acts:** eating bats · **What happens:** happen, eat, disappear

<!-- .vabout -->
This is test 7 · ★★ of lesson 153 «Myth check: are bats blind?» 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/153-are-bats-blind/#t7).

## The question {#question}

```conllu
# sent_id = question:biology:153-are-bats-blind:t7:1
# text = What would happen if all the insect-eating bats near a farm disappeared?
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	if	if	SCONJ	IN	_	14	mark	_	_
5	all	all	DET	PDT	PronType=Tot	10	det:predet	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
7	insect	insect	NOUN	NN	Number=Sing	9	compound	_	SpaceAfter=No
8	-	-	PUNCT	HYPH	_	7	punct	_	SpaceAfter=No
9	eating	eat	VERB	VBG	VerbForm=Ger	10	amod	_	_
10	bats	bat	NOUN	NNS	Number=Plur	14	nsubj	_	_
11	near	near	ADP	IN	_	13	case	_	_
12	a	a	DET	DT	Definite=Ind|PronType=Art	13	det	_	_
13	farm	farm	NOUN	NN	Number=Sing	10	nmod	_	_
14	disappeared	disappear	VERB	VBN	Tense=Past|VerbForm=Part	3	advcl	_	SpaceAfter=No
15	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **happen** | would |  |  |  |  |  |  | vn occur-48.3-1 «NP V»: agent=Theme |
| 2 | **eat** | gerund |  |  |  |  |  |  | vn eat-39.1-1 «NP V»: agent=Agent |
| 3 | **disappear** *a condition, not said to happen* | participle | all eating bats near a farm |  |  |  |  |  | vn disappearance-48.2-1 «NP V»: agent=Theme |

<!-- .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 -->
Crops would grow twice as fast

```conllu
# sent_id = question:biology:153-are-bats-blind:t7:o1:1
# text = Crops would grow twice as fast
1	Crops	crop	NOUN	NNS	Number=Plur	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	grow	grow	VERB	VB	VerbForm=Inf	0	root	_	_
4	twice	twice	ADV	RB	NumForm=Word|NumType=Mult	3	advmod	_	_
5	as	as	ADV	RB	_	6	advmod	_	_
6	fast	fast	ADV	RB	Degree=Pos	3	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **grow** | would | Crops |  |  |  |  | fast, twice *property* | vn appear-48.1.1 «NP V»: agent=Theme |

### Option 2 {#o2}

<!-- .ven lang=en -->
Nothing would change

```conllu
# sent_id = question:biology:153-are-bats-blind:t7:o2:1
# text = Nothing would change
1	Nothing	nothing	PRON	NN	Number=Sing|PronType=Neg	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	change	change	VERB	VB	VerbForm=Inf	0	root	_	_
```

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

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

<!-- .ven lang=en -->
Many more insects would eat the crops and bite people and animals

```conllu
# sent_id = question:biology:153-are-bats-blind:t7:o3:1
# text = Many more insects would eat the crops and bite people and animals
1	Many	many	ADJ	JJ	Degree=Pos	3	amod	_	_
2	more	more	ADJ	JJR	Degree=Cmp	3	amod	_	_
3	insects	insect	NOUN	NNS	Number=Plur	5	nsubj	_	_
4	would	would	AUX	MD	VerbForm=Fin	5	aux	_	_
5	eat	eat	VERB	VB	VerbForm=Inf	0	root	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	crops	crop	NOUN	NNS	Number=Plur	5	obj	_	_
8	and	and	CCONJ	CC	_	9	cc	_	_
9	bite	bite	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	conj	_	_
10	people	people	NOUN	NNS	Number=Plur	9	obj	_	_
11	and	and	CCONJ	CC	_	12	cc	_	_
12	animals	animal	NOUN	NNS	Number=Plur	10	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **eat** | would | Many more insects | the crops |  |  |  |  | vn eat-39.1-1 «NP V NP»: agent=Agent crop=Patient |
| 2 | **bite** | present | Many more insects *not said here* | people and animals |  |  |  |  | vn swat-18.2 «NP V NP»: agent=Agent people=Patient |

### Option 4 · ← Mova's choice {#o4}

<!-- .ven lang=en -->
The fruit trees would make much more fruit, because no bats would be eating it

<!-- fold The tree, 15 words -->
```conllu
# sent_id = question:biology:153-are-bats-blind:t7:o4:1
# text = The fruit trees would make much more fruit, because no bats would be eating it
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	fruit	fruit	NOUN	NN	Number=Sing	3	compound	_	_
3	trees	tree	NOUN	NNS	Number=Plur	5	nsubj	_	_
4	would	would	AUX	MD	VerbForm=Fin	5	aux	_	_
5	make	make	VERB	VB	VerbForm=Inf	0	root	_	_
6	much	much	ADV	RB	_	7	advmod	_	_
7	more	more	ADJ	JJR	Degree=Cmp	8	amod	_	_
8	fruit	fruit	NOUN	NN	Number=Sing	5	obj	_	SpaceAfter=No
9	,	,	PUNCT	,	_	15	punct	_	_
10	because	because	SCONJ	IN	_	15	mark	_	_
11	no	no	DET	DT	PronType=Neg	12	det	_	_
12	bats	bat	NOUN	NNS	Number=Plur	15	nsubj	_	_
13	would	would	AUX	MD	VerbForm=Fin	15	aux	_	_
14	be	be	AUX	VB	VerbForm=Inf	15	aux	_	_
15	eating	eat	VERB	VBG	Tense=Pres|VerbForm=Part	5	advcl	_	_
16	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	15	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | would | the fruit trees | more fruit |  |  |  |  | vn build-26.1-1 «NP.asset V NP»: agent=Asset fruit=Product |
| 2 | **eat** | would · progressive | no bats | fruit |  |  |  |  | vn eat-39.1-1 «NP V NP»: agent=Agent it=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.

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