---
title: A caterpillar froze solid in winter and crawls away in summer. How i… — The Arctic tundra: musk oxen, arctic f… · tree and pragmatics
description: A caterpillar froze solid in winter and crawls away in summer. How is that possible? Test 11 · ★ of lesson 168 «The Arctic tundra: musk oxen, arctic foxes, snowy owls and the truth about lemmings» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/biology/168-the-arctic-tundra-musk-oxen-arctic-foxes-and-the-truth-about-lemmings/t11/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [questions](https://md.mova.elamur.ai/free/en/corpora/questions/) / [Biology](https://md.mova.elamur.ai/free/en/corpora/questions/biology/) / [The Arctic tundra: musk oxen, arctic f…](https://md.mova.elamur.ai/free/en/corpora/questions/biology/168-the-arctic-tundra-musk-oxen-arctic-foxes-and-the-truth-about-lemmings/) / t11

# Test 11 · ★ · The Arctic tundra: musk oxen, arctic foxes, snowy owls and…

<!-- .ven lang=en -->
A caterpillar froze solid in winter and crawls away in summer. How is that possible?

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 4 · wrong ✗ · **Who acts:** caterpillar, that · **What happens:** freeze, crawl away, be

<!-- .vabout -->
This is test 11 · ★ of lesson 168 «The Arctic tundra: musk oxen, arctic foxes, snowy owls and the truth about lemmings» 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/168-the-arctic-tundra-musk-oxen-arctic-foxes-and-the-truth-about-lemmings/#t11).

## The question {#question}

<!-- .note -->
*Sentence 1:* A caterpillar froze solid in winter and crawls away in summer.

```conllu
# sent_id = question:biology:168-the-arctic-tundra-musk-oxen-arctic-foxes-and-the-truth-about-lemmings:t11:1
# text = A caterpillar froze solid in winter and crawls away in summer.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	caterpillar	caterpillar	NOUN	NN	Number=Sing	3	nsubj	_	_
3	froze	freeze	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
4	solid	solid	ADJ	JJ	Degree=Pos	3	xcomp	_	_
5	in	in	ADP	IN	_	6	case	_	_
6	winter	winter	NOUN	NN	Number=Sing	3	obl	_	_
7	and	and	CCONJ	CC	_	8	cc	_	_
8	crawls	crawl	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
9	away	away	ADV	RB	_	8	advmod	_	_
10	in	in	ADP	IN	_	11	case	_	_
11	summer	summer	NOUN	NN	Number=Sing	8	obl	_	SpaceAfter=No
12	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **freeze** | past | a caterpillar |  |  |  | winter | solid *property* | vn other\_cos-45.4-1 «NP.patient V»: agent=Patient |
| 2 | **crawl away** | present | a caterpillar *not said here* |  |  |  | summer | away *property* | vn run-51.3.2 «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.

<!-- .note -->
*Sentence 2:* How is that possible?

```conllu
# sent_id = question:biology:168-the-arctic-tundra-musk-oxen-arctic-foxes-and-the-truth-about-lemmings:t11:2
# text = How is that possible?
1	How	how	ADV	WRB	PronType=Int	4	advmod	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
3	that	that	PRON	DT	Number=Sing|PronType=Dem	4	nsubj	_	_
4	possible	possible	ADJ	JJ	Degree=Pos	0	root	_	SpaceAfter=No
5	?	?	PUNCT	.	_	4	punct	_	_
```

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

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
It was a plastic toy

```conllu
# sent_id = question:biology:168-the-arctic-tundra-musk-oxen-arctic-foxes-and-the-truth-about-lemmings:t11:o1:1
# text = It was a plastic toy
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj	_	_
2	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	5	cop	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
4	plastic	plastic	ADJ	JJ	Degree=Pos	5	amod	_	_
5	toy	toy	NOUN	NN	Number=Sing	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | past | It | a plastic toy |  |  |  |  | tree rules |

### Option 2 {#o2}

<!-- .ven lang=en -->
It never really froze

```conllu
# sent_id = question:biology:168-the-arctic-tundra-musk-oxen-arctic-foxes-and-the-truth-about-lemmings:t11:o2:1
# text = It never really froze
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	never	never	ADV	RB	PronType=Neg	3	advmod	_	_
3	really	really	ADV	RB	_	0	root	_	_
4	froze	froze	PUNCT	.	_	3	punct	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 3 · ← Mova's choice {#o3}

<!-- .ven lang=en -->
It is a different caterpillar each time, hatched from new eggs

```conllu
# sent_id = question:biology:168-the-arctic-tundra-musk-oxen-arctic-foxes-and-the-truth-about-lemmings:t11:o3:1
# text = It is a different caterpillar each time, hatched from new eggs
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
4	different	different	ADJ	JJ	Degree=Pos	5	amod	_	_
5	caterpillar	caterpillar	NOUN	NN	Number=Sing	0	root	_	_
6	each	each	DET	DT	PronType=Tot	7	det	_	_
7	time	time	NOUN	NN	Number=Sing	5	obl:unmarked	_	SpaceAfter=No
8	,	,	PUNCT	,	_	9	punct	_	_
9	hatched	hatch	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	5	acl:relcl	_	_
10	from	from	ADP	IN	_	12	case	_	_
11	new	new	ADJ	JJ	Degree=Pos	12	amod	_	_
12	eggs	egg	NOUN	NNS	Number=Plur	9	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | It | a different caterpillar |  |  | time |  | tree rules |
| 2 | **hatch** | past | a different caterpillar *not said here* |  |  |  |  | from new eggs | vn grow-26.2.1 «NP.product V PP.patient»: agent=Product from egg=Patient |

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

<!-- .ven lang=en -->
The Arctic woolly bear caterpillar survives freezing and thawing

```conllu
# sent_id = question:biology:168-the-arctic-tundra-musk-oxen-arctic-foxes-and-the-truth-about-lemmings:t11:o4:1
# text = The Arctic woolly bear caterpillar survives freezing and thawing
1	The	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
2	Arctic	arctic	ADJ	JJ	Degree=Pos	5	amod	_	_
3	woolly	woolly	ADJ	JJ	Degree=Pos	5	amod	_	_
4	bear	bear	NOUN	NN	Number=Sing	5	compound	_	_
5	caterpillar	caterpillar	NOUN	NN	Number=Sing	6	nsubj	_	_
6	survives	survive	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
7	freezing	freezing	NOUN	NN	Number=Sing	6	obj	_	_
8	and	and	CCONJ	CC	_	9	cc	_	_
9	thawing	thawing	NOUN	NN	Number=Sing	7	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **survive** | present | the Arctic woolly bear caterpillar | freezing and thawing |  |  |  |  | vn exist-47.1-1 «NP V NP»: agent=Theme freezing=Circumstance |

<!-- div src -->

**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.

<!-- /div -->

<!-- pn -->
- ← previous: [The Arctic tundra: musk oxen, arctic f…, test 10](https://md.mova.elamur.ai/free/en/corpora/questions/biology/168-the-arctic-tundra-musk-oxen-arctic-foxes-and-the-truth-about-lemmings/t10/)
- next →: [The Arctic tundra: musk oxen, arctic f…, exam 1](https://md.mova.elamur.ai/free/en/corpora/questions/biology/168-the-arctic-tundra-musk-oxen-arctic-foxes-and-the-truth-about-lemmings/e1/)
- ↑ back to [The Arctic tundra: musk oxen, arctic foxes, snowy owls and the truth about lemmings](https://md.mova.elamur.ai/free/en/corpora/questions/biology/168-the-arctic-tundra-musk-oxen-arctic-foxes-and-the-truth-about-lemmings/)