---
title: A boto, an arapaima and a giant otter swim past. How many tails? — The Amazon river: pink dolphins, flood… · tree and pragmatics
description: A boto, an arapaima and a giant otter swim past. How many tails? Test 4 of lesson 155 «The Amazon river: pink dolphins, flooded forest, giant fish and piranhas» 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 w
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/biology/155-the-amazon-river/t4/)

<!-- 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 Amazon river: pink dolphins, flood…](https://md.mova.elamur.ai/free/en/corpora/questions/biology/155-the-amazon-river/) / t4

# Test 4 · The Amazon river: pink dolphins, flooded forest, giant fis…

<!-- .ven lang=en -->
A boto, an arapaima and a giant otter swim past. How many tails?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 2 · wrong ✗ · **Who acts:** boto · **What happens:** swim

<!-- .vabout -->
This is test 4 of lesson 155 «The Amazon river: pink dolphins, flooded forest, giant fish and piranhas» 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/155-the-amazon-river/#t4).

## The question {#question}

<!-- .note -->
*Sentence 1:* A boto, an arapaima and a giant otter swim past.

```conllu
# sent_id = question:biology:155-the-amazon-river:t4:1
# text = A boto, an arapaima and a giant otter swim past.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	boto	boto	NOUN	NN	Number=Sing	10	nsubj	_	SpaceAfter=No
3	,	,	PUNCT	,	_	5	punct	_	_
4	an	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
5	arapaima	arapaima	NOUN	NN	Number=Sing	2	conj	_	_
6	and	and	CCONJ	CC	_	9	cc	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
8	giant	giant	ADJ	JJ	Degree=Pos	9	amod	_	_
9	otter	otter	NOUN	NN	Number=Sing	2	conj	_	_
10	swim	swim	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
11	past	past	ADV	RB	_	10	advmod	_	SpaceAfter=No
12	.	.	PUNCT	.	_	10	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **swim** | present | a boto and a arapaima and a giant otter |  |  |  |  | past *property* | vn run-51.3.2-1 «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.

<!-- .note -->
*Sentence 2:* How many tails?

```conllu
# sent_id = question:biology:155-the-amazon-river:t4:2
# text = How many tails?
1	How	how	ADV	WRB	PronType=Int	2	advmod	_	_
2	many	many	ADJ	JJ	Degree=Pos	3	amod	_	_
3	tails	tail	NOUN	NNS	Number=Plur	0	root	_	SpaceAfter=No
4	?	?	PUNCT	.	_	3	punct	_	_
```

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

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
2

```conllu
# sent_id = question:biology:155-the-amazon-river:t4:o1:1
# text = 2
1	2	2	NUM	LS	NumForm=Digit|NumType=Card	0	root	_	_
```

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

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

<!-- .ven lang=en -->
3

```conllu
# sent_id = question:biology:155-the-amazon-river:t4:o2:1
# text = 3
1	3	3	NUM	CD	NumForm=Digit|NumType=Card	0	root	_	_
```

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

### Option 3 {#o3}

<!-- .ven lang=en -->
6

```conllu
# sent_id = question:biology:155-the-amazon-river:t4:o3:1
# text = 6
1	6	6	NUM	CD	NumForm=Digit|NumType=Card	0	root	_	_
```

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

### Option 4 {#o4}

<!-- .ven lang=en -->
1

```conllu
# sent_id = question:biology:155-the-amazon-river:t4:o4:1
# text = 1
1	1	1	NUM	LS	NumForm=Digit|NumType=Card	0	root	_	_
```

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

<!-- 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 Amazon river: pink dolphins, flood…, test 3](https://md.mova.elamur.ai/free/en/corpora/questions/biology/155-the-amazon-river/t3/)
- next →: [The Amazon river: pink dolphins, flood…, test 5](https://md.mova.elamur.ai/free/en/corpora/questions/biology/155-the-amazon-river/t5/)
- ↑ back to [The Amazon river: pink dolphins, flooded forest, giant fish and piranhas](https://md.mova.elamur.ai/free/en/corpora/questions/biology/155-the-amazon-river/)