---
title: Two goldfish and a cat are watching each other. How many tails altog… — Myth check: do goldfish have a three-s… · tree and pragmatics
description: Two goldfish and a cat are watching each other. How many tails altogether? Test 4 · ★ of lesson 152 «Myth check: do goldfish have a three-second memory?» 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 wron
---

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# Test 4 · ★ · Myth check: do goldfish have a three-second memory?

<!-- .ven lang=en -->
Two goldfish and a cat are watching each other. How many tails altogether?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 2 · wrong ✗ · **Who acts:** Two goldfish · **What happens:** watch · **To what, where:** each

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This is test 4 · ★ of lesson 152 «Myth check: do goldfish have a three-second memory?» 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/152-goldfish-memory/#t4).

## The question {#question}

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*Sentence 1:* Two goldfish and a cat are watching each other.

```conllu
# sent_id = question:biology:152-goldfish-memory:t4:1
# text = Two goldfish and a cat are watching each other.
1	Two	two	NUM	CD	NumForm=Word|NumType=Card	2	nummod	_	_
2	goldfish	goldfish	NOUN	NNS	Number=Plur	7	nsubj	_	_
3	and	and	CCONJ	CC	_	5	cc	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
5	cat	cat	NOUN	NN	Number=Sing	2	conj	_	_
6	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	7	aux	_	_
7	watching	watch	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
8	each	each	DET	DT	ExtPos=PRON|PronType=Rcp	7	obj	_	_
9	other	other	ADJ	JJ	Degree=Pos	8	fixed	_	SpaceAfter=No
10	.	.	PUNCT	.	_	7	punct	_	_
```

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **watch** | present · progressive | Two goldfish and a cat | each |  |  |  |  | vn assessment-34.1 «NP V NP»: agent=Agent each=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 altogether?

```conllu
# sent_id = question:biology:152-goldfish-memory:t4:2
# text = How many tails altogether?
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	_	_
4	altogether	altogether	ADV	RB	_	3	advmod	_	SpaceAfter=No
5	?	?	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:152-goldfish-memory: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:152-goldfish-memory: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:152-goldfish-memory: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 -->
4

```conllu
# sent_id = question:biology:152-goldfish-memory:t4:o4:1
# text = 4
1	4	4	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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