---
title: A bat hangs very still in a cold cave all winter, with a slow heartb… — Migration and hibernation · tree and pragmatics
description: A bat hangs very still in a cold cave all winter, with a slow heartbeat. What is it doing? Test 8 · ★ of lesson 28 «Migration and hibernation» of the world 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 8 · ★ · Migration and hibernation

<!-- .ven lang=en -->
A bat hangs very still in a cold cave all winter, with a slow heartbeat. What is it doing?

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**Mova's choice:** option 2 · **The right answer:** option 2 · right ✓ · **Who acts:** bat · **What happens:** hang, do · **To what, where:** cold cave

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This is test 8 · ★ of lesson 28 «Migration and hibernation» of the world 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/world/28-migration-and-hibernation/#t8).

## The question {#question}

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*Sentence 1:* A bat hangs very still in a cold cave all winter, with a slow heartbeat.

```conllu
# sent_id = question:world:28-migration-and-hibernation:t8:1
# text = A bat hangs very still in a cold cave all winter, with a slow heartbeat.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	bat	bat	NOUN	NN	Number=Sing	3	nsubj	_	_
3	hangs	hang	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	very	very	ADV	RB	_	5	advmod	_	_
5	still	still	ADV	RB	_	3	advmod	_	_
6	in	in	ADP	IN	_	9	case	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
8	cold	cold	ADJ	JJ	Degree=Pos	9	amod	_	_
9	cave	cave	NOUN	NN	Number=Sing	3	obl	_	_
10	all	all	DET	DT	PronType=Tot	11	det	_	_
11	winter	winter	NOUN	NN	Number=Sing	3	obl:unmarked	_	SpaceAfter=No
12	,	,	PUNCT	,	_	16	punct	_	_
13	with	with	ADP	IN	_	16	case	_	_
14	a	a	DET	DT	Definite=Ind|PronType=Art	16	det	_	_
15	slow	slow	ADJ	JJ	Degree=Pos	16	amod	_	_
16	heartbeat	heartbeat	NOUN	NN	Number=Sing	3	obl	_	SpaceAfter=No
17	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **hang** | present | a bat |  |  | a cold cave | still; winter | with a slow heartbeat | vn assuming\_position-50 «NP V PP.location»: agent=Agent 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.

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*Sentence 2:* What is it doing?

```conllu
# sent_id = question:world:28-migration-and-hibernation:t8:2
# text = What is it doing?
1	What	what	PRON	WP	PronType=Int	4	obj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux	_	_
3	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj	_	_
4	doing	do	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	SpaceAfter=No
5	?	?	PUNCT	.	_	4	punct	_	_
```

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **do** | present · progressive | bat |  |  |  |  |  | vn act-114-1 «NP V NP»: agent=Agent what=Eventuality |

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
Hunting for moths

```conllu
# sent_id = question:world:28-migration-and-hibernation:t8:o1:1
# text = Hunting for moths
1	Hunting	hunt	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
2	for	for	ADP	IN	_	3	case	_	_
3	moths	moth	NOUN	NNS	Number=Plur	1	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **hunt** | gerund |  |  |  |  |  | for moths | vn hunt-35.1 «NP V PP.theme PP.location»: agent=Agent for moth=Theme |

### Option 2 · ← Mova's choice · ✓ the right answer {#o2}

<!-- .ven lang=en -->
Hibernating

```conllu
# sent_id = question:world:28-migration-and-hibernation:t8:o2:1
# text = Hibernating
1	Hibernating	hibernate	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **hibernate** | gerund |  |  |  |  |  |  | vn fit-54.3 «NP.location V NP»: agent=Location |

### Option 3 {#o3}

<!-- .ven lang=en -->
Migrating south

```conllu
# sent_id = question:world:28-migration-and-hibernation:t8:o3:1
# text = Migrating south
1	Migrating	migrate	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
2	south	south	ADV	RB	_	1	advmod	_	_
```

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

### Option 4 {#o4}

<!-- .ven lang=en -->
Building a nest

```conllu
# sent_id = question:world:28-migration-and-hibernation:t8:o4:1
# text = Building a nest
1	Building	build	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
2	a	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
3	nest	nest	NOUN	NN	Number=Sing	1	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **build** | gerund |  | a nest |  |  |  |  | vn build-26.1-1 «NP.asset V NP»: agent=Asset nest=Product |

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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: [Migration and hibernation, test 7](https://md.mova.elamur.ai/free/en/corpora/questions/world/28-migration-and-hibernation/t7/)
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