---
title: What would happen if the black caimans came back to a river where th… — Amazon giants and tall tales: anaconda… · tree and pragmatics
description: What would happen if the black caimans came back to a river where they had been hunted? Test 6 · ★★ of lesson 158 «Amazon giants and tall tales: anacondas, caimans, electric eels and the candiru» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question 
---

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# Test 6 · ★★ · Amazon giants and tall tales: anacondas, caimans, electric…

<!-- .ven lang=en -->
What would happen if the black caimans came back to a river where they had been hunted?

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 2 · wrong ✗ · **Who acts:** black caimans · **What happens:** happen, come back, hunt · **To what, where:** river, caimans

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This is test 6 · ★★ of lesson 158 «Amazon giants and tall tales: anacondas, caimans, electric eels and the candiru» 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/158-amazon-giants-and-tall-tales/#t6).

## The question {#question}

```conllu
# sent_id = question:biology:158-amazon-giants-and-tall-tales:t6:1
# text = What would happen if the black caimans came back to a river where they had been hunted?
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	_	8	mark	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
6	black	black	ADJ	JJ	Degree=Pos	7	amod	_	_
7	caimans	caiman	NOUN	NNS	Number=Plur	8	nsubj	_	_
8	came	come	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	3	advcl	_	_
9	back	back	ADV	RB	_	8	advmod	_	_
10	to	to	ADP	IN	_	12	case	_	_
11	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	_
12	river	river	NOUN	NN	Number=Sing	8	obl	_	_
13	where	where	ADV	WRB	PronType=Rel	17	advmod	_	_
14	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	17	nsubj:pass	_	_
15	had	have	AUX	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	17	aux	_	_
16	been	be	AUX	VBN	Tense=Past|VerbForm=Part	17	aux:pass	_	_
17	hunted	hunt	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	12	acl:relcl	_	SpaceAfter=No
18	?	?	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 | **come back** *a condition, not said to happen* | past | the black caimans |  |  | a river |  |  | vn escape-51.1-1 «NP V PP.initial\_location»: agent=Theme to river=Initial\_Location |
| 3 | **hunt** | past · perfect · passive |  | caimans *= caiman* |  |  |  |  | vn hunt-35.1 «NP V NP»: subject=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 -->
Piranhas would all grow huge and fat

```conllu
# sent_id = question:biology:158-amazon-giants-and-tall-tales:t6:o1:1
# text = Piranhas would all grow huge and fat
1	Piranhas	piranha	NOUN	NNS	Number=Plur	4	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	4	aux	_	_
3	all	all	ADV	RB	_	4	advmod	_	_
4	grow	grow	VERB	VB	VerbForm=Inf	0	root	_	_
5	huge	huge	ADJ	JJ	Degree=Pos	4	xcomp	_	_
6	and	and	CCONJ	CC	_	7	cc	_	_
7	fat	fat	ADJ	JJ	Degree=Pos	5	conj	_	_
```

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

### Option 2 · ✓ the right answer {#o2}

<!-- .ven lang=en -->
Piranha numbers would go down again

```conllu
# sent_id = question:biology:158-amazon-giants-and-tall-tales:t6:o2:1
# text = Piranha numbers would go down again
1	Piranha	piranha	NOUN	NN	Number=Sing	2	compound	_	_
2	numbers	number	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	would	would	AUX	MD	VerbForm=Fin	4	aux	_	_
4	go	go	VERB	VB	VerbForm=Inf	0	root	_	_
5	down	down	ADV	RB	_	4	advmod	_	_
6	again	again	ADV	RB	_	4	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **go down** | would | Piranha numbers |  |  |  | again | down *property* | vn calibratable\_cos-45.6.1-1 «NP.attribute V»: agent=Attribute |

### Option 3 · ← Mova's choice {#o3}

<!-- .ven lang=en -->
Capybaras would come back and start eating the fish

```conllu
# sent_id = question:biology:158-amazon-giants-and-tall-tales:t6:o3:1
# text = Capybaras would come back and start eating the fish
1	Capybaras	capybara	NOUN	NNS	Number=Plur	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	come	come	VERB	VB	VerbForm=Inf	0	root	_	_
4	back	back	ADV	RB	_	3	advmod	_	_
5	and	and	CCONJ	CC	_	6	cc	_	_
6	start	start	VERB	VB	VerbForm=Inf	3	conj	_	_
7	eating	eat	VERB	VBG	VerbForm=Ger	6	xcomp	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	fish	fish	NOUN	NN	Number=Sing	7	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **come back** | would | Capybaras |  |  |  |  |  | vn escape-51.1-1 «NP V»: agent=Theme |
| 2 | **start** | infinitive | Capybaras *not said here* |  |  |  |  |  | vn begin-55.1-1-1 «NP V S\_ING»: agent=Agent clause=Eventuality |
| 3 | **eat** | gerund | Capybaras *not said here* | the fish |  |  |  |  | vn eat-39.1-1 «NP V NP»: agent=Agent fish=Patient |

### Option 4 {#o4}

<!-- .ven lang=en -->
All the other fish would vanish at once

```conllu
# sent_id = question:biology:158-amazon-giants-and-tall-tales:t6:o4:1
# text = All the other fish would vanish at once
1	All	all	DET	PDT	PronType=Tot	4	det:predet	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
3	other	other	ADJ	JJ	Degree=Pos	4	amod	_	_
4	fish	fish	NOUN	NN	Number=Sing	6	nsubj	_	_
5	would	would	AUX	MD	VerbForm=Fin	6	aux	_	_
6	vanish	vanish	VERB	VB	VerbForm=Inf	0	root	_	_
7	at	at	ADP	IN	_	8	case	_	_
8	once	once	ADV	RB	NumForm=Word|NumType=Mult	6	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **vanish** | would | all other fish |  |  |  |  |  | vn disappearance-48.2-1 «NP V»: agent=Theme |

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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: [Amazon giants and tall tales: anaconda…, test 5](https://md.mova.elamur.ai/free/en/corpora/questions/biology/158-amazon-giants-and-tall-tales/t5/)
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