---
title: Why might a capybara feel safe beside a resting caiman? — Crocodiles and alligators · tree and pragmatics
description: Why might a capybara feel safe beside a resting caiman? Test 9 of lesson 29 «Crocodiles and alligators» 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 9 · Crocodiles and alligators

<!-- .ven lang=en -->
Why might a capybara feel safe beside a resting caiman?

<!-- .vintro -->
**Mova's choice:** option 2 · **The right answer:** option 2 · right ✓ · **Who acts:** capybara · **What happens:** feel, rest

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This is test 9 of lesson 29 «Crocodiles and alligators» 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/29-crocodiles-and-alligators/#t9).

## The question {#question}

```conllu
# sent_id = question:biology:29-crocodiles-and-alligators:t9:1
# text = Why might a capybara feel safe beside a resting caiman?
1	Why	why	ADV	WRB	PronType=Int	5	advmod	_	_
2	might	might	AUX	MD	VerbForm=Fin	5	aux	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
4	capybara	capybara	NOUN	NN	Number=Sing	5	nsubj	_	_
5	feel	feel	VERB	VB	VerbForm=Inf	0	root	_	_
6	safe	safe	ADJ	JJ	Degree=Pos	5	xcomp	_	_
7	beside	beside	ADP	IN	_	10	case	_	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	10	det	_	_
9	resting	rest	VERB	VBG	Tense=Pres|VerbForm=Part	10	amod	_	_
10	caiman	caiman	NOUN	NN	Number=Sing	6	obl	_	SpaceAfter=No
11	?	?	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **feel** | might | a capybara |  |  |  |  | safe *property* | vn stimulus\_subject-30.4 «NP V ADJ»: agent=Stimulus |
| 2 | **rest** | gerund |  |  |  |  |  |  | vn spatial\_configuration-47.6-1 «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 -->
Caimans eat only plants

```conllu
# sent_id = question:biology:29-crocodiles-and-alligators:t9:o1:1
# text = Caimans eat only plants
1	Caimans	caiman	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	eat	eat	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	only	only	ADV	RB	_	4	advmod	_	_
4	plants	plant	NOUN	NNS	Number=Plur	2	obj	_	_
```

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

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

<!-- .ven lang=en -->
A caiman that has just eaten may not bother with a big rodent

```conllu
# sent_id = question:biology:29-crocodiles-and-alligators:t9:o2:1
# text = A caiman that has just eaten may not bother with a big rodent
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	caiman	caiman	NOUN	NN	Number=Sing	9	nsubj	_	_
3	that	that	PRON	WDT	PronType=Rel	6	nsubj	_	_
4	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	aux	_	_
5	just	just	ADV	RB	_	6	advmod	_	_
6	eaten	eat	VERB	VBN	Tense=Past|VerbForm=Part	2	acl:relcl	_	_
7	may	may	AUX	MD	VerbForm=Fin	9	aux	_	_
8	not	not	PART	RB	Polarity=Neg	9	advmod	_	_
9	bother	bother	VERB	VB	VerbForm=Inf	0	root	_	_
10	with	with	ADP	IN	_	13	case	_	_
11	a	a	DET	DT	Definite=Ind|PronType=Art	13	det	_	_
12	big	big	ADJ	JJ	Degree=Pos	13	amod	_	_
13	rodent	rodent	NOUN	NN	Number=Sing	9	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **eat** | present · perfect | a caiman |  |  |  |  |  | vn eat-39.1-1 «NP V»: agent=Agent |
| 2 | **not** **bother** | may | a caiman |  |  |  |  | with a big rodent | vn amuse-31.1 «NP V ADV-Middle»: agent=Experiencer |

### Option 3 {#o3}

<!-- .ven lang=en -->
Caimans are afraid of capybaras

```conllu
# sent_id = question:biology:29-crocodiles-and-alligators:t9:o3:1
# text = Caimans are afraid of capybaras
1	Caimans	caiman	NOUN	NNS	Number=Plur	3	nsubj	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	afraid	afraid	ADJ	JJ	Degree=Pos	0	root	_	_
4	of	of	ADP	IN	_	5	case	_	_
5	capybaras	capybara	NOUN	NNS	Number=Plur	3	obl	_	_
```

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

### Option 4 {#o4}

<!-- .ven lang=en -->
Capybaras are poisonous to eat

```conllu
# sent_id = question:biology:29-crocodiles-and-alligators:t9:o4:1
# text = Capybaras are poisonous to eat
1	Capybaras	capybara	NOUN	NNS	Number=Plur	3	nsubj	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	poisonous	poisonous	ADJ	JJ	Degree=Pos	0	root	_	_
4	to	to	PART	TO	_	5	mark	_	_
5	eat	eat	VERB	VB	VerbForm=Inf	3	advcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Capybaras |  |  |  |  | poisonous *property* | tree rules |
| 2 | **eat** | to-infinitive | Capybaras *not said here* |  |  |  |  |  | vn eat-39.1-1 «NP V»: agent=Agent |

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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: [Crocodiles and alligators, test 8](https://md.mova.elamur.ai/free/en/corpora/questions/biology/29-crocodiles-and-alligators/t8/)
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