---
title: In a scary film a vampire bat flies into a bedroom and bites a sleep… — Myth check: are bats blind? · tree and pragmatics
description: In a scary film a vampire bat flies into a bedroom and bites a sleeping person. What is true? Test 3 · ★★ 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 right.
---

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# Test 3 · ★★ · Myth check: are bats blind?

<!-- .ven lang=en -->
In a scary film a vampire bat flies into a bedroom and bites a sleeping person. What is true?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** vampire bat · **What happens:** fly, bite, sleep, be · **To what, where:** scary film, sleeping person

<!-- .vabout -->
This is test 3 · ★★ 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/#t3).

## The question {#question}

<!-- .note -->
*Sentence 1:* In a scary film a vampire bat flies into a bedroom and bites a sleeping person.

```conllu
# sent_id = question:biology:153-are-bats-blind:t3:1
# text = In a scary film a vampire bat flies into a bedroom and bites a sleeping person.
1	In	in	ADP	IN	_	4	case	_	_
2	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
3	scary	scary	ADJ	JJ	Degree=Pos	4	amod	_	_
4	film	film	NOUN	NN	Number=Sing	8	obl	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
6	vampire	vampire	NOUN	NN	Number=Sing	7	compound	_	_
7	bat	bat	NOUN	NN	Number=Sing	8	nsubj	_	_
8	flies	fly	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
9	into	into	ADP	IN	_	11	case	_	_
10	a	a	DET	DT	Definite=Ind|PronType=Art	11	det	_	_
11	bedroom	bedroom	NOUN	NN	Number=Sing	8	obl	_	_
12	and	and	CCONJ	CC	_	13	cc	_	_
13	bites	bite	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	conj	_	_
14	a	a	DET	DT	Definite=Ind|PronType=Art	16	det	_	_
15	sleeping	sleep	VERB	VBG	Tense=Pres|VerbForm=Part	16	amod	_	_
16	person	person	NOUN	NN	Number=Sing	13	obj	_	SpaceAfter=No
17	.	.	PUNCT	.	_	8	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **fly** | present | a vampire bat |  |  | a scary film |  | into a bedroom | vn spatial\_configuration-47.6-1 «NP V PP.location»: agent=Theme in film=Location |
| 2 | **bite** | present | a vampire bat *not said here* | a sleeping person |  |  |  |  | vn swat-18.2 «NP V NP»: agent=Agent person=Patient |
| 3 | **sleep** | gerund |  |  |  |  |  |  | vn snooze-40.4-1 «NP V»: agent=Agent |

<!-- .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:* What is true?

```conllu
# sent_id = question:biology:153-are-bats-blind:t3:2
# text = What is true?
1	What	what	PRON	WP	PronType=Int	3	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	true	true	ADJ	JJ	Degree=Pos	0	root	_	SpaceAfter=No
4	?	?	PUNCT	.	_	3	punct	_	_
```

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

## The options {#options}

### Option 1 · ← Mova's choice · ✓ the right answer {#o1}

<!-- .ven lang=en -->
Real vampire bats are small, live in the Americas and mostly feed on farm animals and birds

<!-- fold The tree, 17 words -->
```conllu
# sent_id = question:biology:153-are-bats-blind:t3:o1:1
# text = Real vampire bats are small, live in the Americas and mostly feed on farm animals and birds
1	Real	real	ADJ	JJ	Degree=Pos	3	amod	_	_
2	vampire	vampire	NOUN	NN	Number=Sing	3	compound	_	_
3	bats	bat	NOUN	NNS	Number=Plur	5	nsubj	_	_
4	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
5	small	small	ADJ	JJ	Degree=Pos	0	root	_	SpaceAfter=No
6	,	,	PUNCT	,	_	7	punct	_	_
7	live	live	ADJ	JJ	Degree=Pos	5	conj	_	_
8	in	in	ADP	IN	_	10	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	Americas	AMERICAS	PROPN	NNPS	Number=Plur	7	obl	_	_
11	and	and	CCONJ	CC	_	13	cc	_	_
12	mostly	mostly	ADV	RB	_	13	advmod	_	_
13	feed	feed	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	conj	_	_
14	on	on	ADP	IN	_	16	case	_	_
15	farm	farm	NOUN	NN	Number=Sing	16	compound	_	_
16	animals	animal	NOUN	NNS	Number=Plur	13	obl	_	_
17	and	and	CCONJ	CC	_	18	cc	_	_
18	birds	bird	NOUN	NNS	Number=Plur	16	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Real vampire bats |  |  |  |  | small *property* | tree rules |
| 2 | **lives in** |  | Real vampire bats *not said here* |  |  | the Americas |  |  | tree rules |
| 3 | **feed** | present | Real vampire bats *not said here* |  |  |  |  | on farm animals and birds; mostly *property* | vn gorge-39.6 «NP V PP.patient»: agent=Agent on animal=Patient |

### Option 2 {#o2}

<!-- .ven lang=en -->
Real vampire bats are as big as eagles and fly to Europe every winter to feed

<!-- fold The tree, 16 words -->
```conllu
# sent_id = question:biology:153-are-bats-blind:t3:o2:1
# text = Real vampire bats are as big as eagles and fly to Europe every winter to feed
1	Real	real	ADJ	JJ	Degree=Pos	3	amod	_	_
2	vampire	vampire	NOUN	NN	Number=Sing	3	compound	_	_
3	bats	bat	NOUN	NNS	Number=Plur	6	nsubj	_	_
4	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
5	as	as	ADV	RB	_	6	advmod	_	_
6	big	big	ADJ	JJ	Degree=Pos	0	root	_	_
7	as	as	ADP	IN	_	8	case	_	_
8	eagles	eagle	NOUN	NNS	Number=Plur	6	obl	_	_
9	and	and	CCONJ	CC	_	10	cc	_	_
10	fly	fly	VERB	VB	VerbForm=Inf	6	conj	_	_
11	to	to	ADP	IN	_	12	case	_	_
12	Europe	Europe	PROPN	NNP	Number=Sing	10	obl	_	_
13	every	every	DET	DT	PronType=Tot	14	det	_	_
14	winter	winter	NOUN	NN	Number=Sing	10	obl:unmarked	_	_
15	to	to	PART	TO	_	16	mark	_	_
16	feed	feed	VERB	VB	VerbForm=Inf	10	advcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Real vampire bats |  |  |  |  | as eagles; big *property* | tree rules |
| 2 | **fly** | infinitive | Real vampire bats *not said here* |  | Europe |  | winter |  | vn run-51.3.2-2-1 «NP V PP.result»: agent=Theme to europe=Result |
| 3 | **feed** | to-infinitive | Real vampire bats *not said here* |  |  |  |  |  | vn gorge-39.6 «NP V PP.patient»: agent=Agent |

### Option 3 {#o3}

<!-- .ven lang=en -->
All bats drink human blood

```conllu
# sent_id = question:biology:153-are-bats-blind:t3:o3:1
# text = All bats drink human blood
1	All	all	DET	DT	PronType=Tot	2	det	_	_
2	bats	bat	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	drink	drink	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	human	human	ADJ	JJ	Degree=Pos	5	amod	_	_
5	blood	blood	NOUN	NN	Number=Sing	3	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **drink** | present | all bats | human blood |  |  |  |  | vn eat-39.1-1 «NP V NP»: agent=Agent blood=Patient |

### Option 4 {#o4}

<!-- .ven lang=en -->
That happens every night in Europe

```conllu
# sent_id = question:biology:153-are-bats-blind:t3:o4:1
# text = That happens every night in Europe
1	That	that	PRON	DT	Number=Sing|PronType=Dem	2	nsubj	_	_
2	happens	happen	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	every	every	DET	DT	PronType=Tot	4	det	_	_
4	night	night	NOUN	NN	Number=Sing	2	obl:unmarked	_	_
5	in	in	ADP	IN	_	6	case	_	_
6	Europe	Europe	PROPN	NNP	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **happen** | present | That |  |  | Europe | night |  | vn occur-48.3-1 «NP V PP»: agent=Theme in europe=Location |

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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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