---
title: 4 clownfish, 2 pufferfish and 3 seahorses in the tank. how many legs — The aquarium: the coral reef tank · tree and pragmatics
description: 4 clownfish, 2 pufferfish and 3 seahorses in the tank. how many legs Test 3 · ★★ of lesson 90 «The aquarium: the coral reef tank» 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 wrong.
---

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# Test 3 · ★★ · The aquarium: the coral reef tank

<!-- .ven lang=en -->
4 clownfish, 2 pufferfish and 3 seahorses in the tank. how many legs

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 2 · wrong ✗

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This is test 3 · ★★ of lesson 90 «The aquarium: the coral reef tank» 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/90-aquarium-the-coral-reef-tank/#t3).

## The question {#question}

```conllu
# sent_id = question:biology:90-aquarium-the-coral-reef-tank:t3:1
# text = 4 clownfish, 2 pufferfish and 3 seahorses in the tank. how many legs
1	4	4	NUM	CD	NumForm=Digit|NumType=Card	2	nummod	_	_
2	clownfish	clownfish	NOUN	NNS	Number=Plur	0	root	_	SpaceAfter=No
3	,	,	PUNCT	,	_	5	punct	_	_
4	2	2	NUM	CD	NumForm=Digit|NumType=Card	5	nummod	_	_
5	pufferfish	pufferfish	NOUN	NN	Number=Sing	2	conj	_	_
6	and	and	CCONJ	CC	_	8	cc	_	_
7	3	3	NUM	CD	NumForm=Digit|NumType=Card	8	nummod	_	_
8	seahorses	seahorse	NOUN	NNS	Number=Plur	2	conj	_	_
9	in	in	ADP	IN	_	11	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	tank	tank	NOUN	NN	Number=Sing	8	nmod	_	SpaceAfter=No
12	.	.	PUNCT	.	_	2	punct	_	_
13	how	how	ADV	WRB	PronType=Int	14	advmod	_	_
14	many	many	ADJ	JJ	Degree=Pos	15	amod	_	_
15	legs	leg	NOUN	NNS	Number=Plur	2	conj	_	_
```

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

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
9

```conllu
# sent_id = question:biology:90-aquarium-the-coral-reef-tank:t3:o1:1
# text = 9
1	9	9	NUM	CD	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 -->
0

```conllu
# sent_id = question:biology:90-aquarium-the-coral-reef-tank:t3:o2:1
# text = 0
1	0	0	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 -->
36

```conllu
# sent_id = question:biology:90-aquarium-the-coral-reef-tank:t3:o3:1
# text = 36
1	36	36	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 -->
18

```conllu
# sent_id = question:biology:90-aquarium-the-coral-reef-tank:t3:o4:1
# text = 18
1	18	18	NUM	CD	NumForm=Digit|NumType=Card	0	root	_	_
```

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

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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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