---
title: Goldfish have four kinds of colour cells in their eyes, while we hav… — Myth check: do goldfish have a three-second memo… · tree and pragmatics
description: Goldfish have four kinds of colour cells in their eyes, while we have three, and they can see some ultraviolet light. Who acts: Goldfish, we, kinds. A sentence of the lesson «Myth check: do goldfish have a three-second memory?» of the biology course of Mova's primary school with its dependency tree 
---

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# Myth check: do goldfish have a three-second memory?, sentence 14

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Goldfish have four kinds of colour cells in their eyes, while we have three, and they can see some ultraviolet light.

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**Who acts:** Goldfish, we, kinds · **What happens:** have, see · **To what, where:** four kinds, eyes, three, ultraviolet light

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This is a sentence of the lesson «Myth check: do goldfish have a three-second memory?» of the biology course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (Goldfish, we, kinds), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:152-goldfish-memory.lesson:14
# text = Goldfish have four kinds of colour cells in their eyes, while we have three, and they can see some ultraviolet light.
# source = school lesson (ours)
# course = biology
# lesson = 152-goldfish-memory.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×1, R7-rel-agree ×2
1	Goldfish	goldfish	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	have	have	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	four	four	NUM	CD	NumForm=Word|NumType=Card	4	nummod	_	_
4	kinds	kind	NOUN	NNS	Number=Plur	2	obj	_	_
5	of	of	ADP	IN	_	7	case	_	_
6	colour	colour	NOUN	NN	Number=Sing	7	compound	_	_
7	cells	cell	NOUN	NNS	Number=Plur	4	nmod	_	_
8	in	in	ADP	IN	_	10	case	_	_
9	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	10	nmod:poss	_	_
10	eyes	eye	NOUN	NNS	Number=Plur	2	obl	_	Agree=R5-strong|Haiku=7:nmod
11	,	,	PUNCT	,	_	14	punct	_	_
12	while	while	SCONJ	IN	_	14	mark	_	_
13	we	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	14	nsubj	_	_
14	have	have	VERB	VBP	Mood=Ind|Number=Plur|Person=1|Tense=Pres|VerbForm=Fin	2	advcl	_	Agree=R7-rel-agree|Haiku=2:conj
15	three	three	NUM	CD	NumForm=Word|NumType=Card	14	obj	_	_
16	,	,	PUNCT	,	_	20	punct	_	_
17	and	and	CCONJ	CC	_	20	cc	_	_
18	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	20	nsubj	_	_
19	can	can	AUX	MD	VerbForm=Fin	20	aux	_	_
20	see	see	VERB	VB	VerbForm=Inf	2	parataxis	_	_
21	some	some	DET	DT	PronType=Ind	23	det	_	_
22	ultraviolet	ultraviolet	ADJ	JJ	Degree=Pos	23	amod	_	Agree=R7-rel-agree|Haiku=23:compound|HaikuPos=NOUN:NN:Number=Sing
23	light	light	NOUN	NN	Number=Sing	20	obj	_	_
24	.	.	PUNCT	.	_	2	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have** | present | Goldfish | four kinds of colour cells |  | cells's eyes |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent kind=Patient |
| 2 | **have** | present | we | three |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent three=Patient |
| 3 | **see** | can | kinds *= kind* | some ultraviolet light |  |  |  |  | vn comprehend-87.2-1-1 «NP V NP»: agent=Experiencer light=Stimulus |

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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.

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**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:biology:152-goldfish-memory.lesson:14`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×1, R7-rel-agree ×2. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

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- ← previous: [Myth check: do goldfish have a three-s…, 13](https://md.mova.elamur.ai/free/en/corpora/school/biology/152-goldfish-memory/13/)
- next →: [Myth check: do goldfish have a three-s…, 15](https://md.mova.elamur.ai/free/en/corpora/school/biology/152-goldfish-memory/15/)
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