---
title: In one experiment goldfish learned to push a lever for food and reme… — Myth check: do goldfish have a three-second memo… · tree and pragmatics
description: In one experiment goldfish learned to push a lever for food and remembered the time of day when it worked. Who acts: goldfish. 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 and the pragmatics of 
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/152-goldfish-memory/5/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Biology](https://md.mova.elamur.ai/free/en/corpora/school/biology/) / [Myth check: do goldfish have a three-s…](https://md.mova.elamur.ai/free/en/corpora/school/biology/152-goldfish-memory/) / 5

# Myth check: do goldfish have a three-second memory?, sentence 5

<!-- .ven lang=en -->
In one experiment goldfish learned to push a lever for food and remembered the time of day when it worked.

<!-- .vintro -->
**Who acts:** goldfish · **What happens:** learn, push, remember, work · **To what, where:** one experiment, lever

<!-- .vabout -->
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), 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:5
# text = In one experiment goldfish learned to push a lever for food and remembered the time of day when it worked.
# 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): no change
1	In	in	ADP	IN	_	3	case	_	_
2	one	one	NUM	CD	NumForm=Word|NumType=Card	3	nummod	_	_
3	experiment	experiment	NOUN	NN	Number=Sing	5	obl	_	_
4	goldfish	goldfish	NOUN	NN	Number=Sing	5	nsubj	_	_
5	learned	learn	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
6	to	to	PART	TO	_	7	mark	_	_
7	push	push	VERB	VB	VerbForm=Inf	5	xcomp	_	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
9	lever	lever	NOUN	NN	Number=Sing	7	obj	_	_
10	for	for	ADP	IN	_	11	case	_	_
11	food	food	NOUN	NN	Number=Sing	9	nmod	_	_
12	and	and	CCONJ	CC	_	13	cc	_	_
13	remembered	remember	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	5	conj	_	_
14	the	the	DET	DT	Definite=Def|PronType=Art	15	det	_	_
15	time	time	NOUN	NN	Number=Sing	13	obj	_	_
16	of	of	ADP	IN	_	17	case	_	_
17	day	day	NOUN	NN	Number=Sing	15	nmod	_	_
18	when	when	ADV	WRB	PronType=Rel	20	advmod	_	_
19	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	20	nsubj	_	_
20	worked	work	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	17	acl:relcl	_	_
21	.	.	PUNCT	.	_	5	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- 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 | **learn** | past | goldfish |  |  | one experiment |  |  | vn learn-14-2-1 «NP V that S»: agent=Agent clause=Topic |
| 2 | **push** | to-infinitive | goldfish *not said here* | a lever |  |  |  | for food | vn carry-11.4-1-1 «NP V NP»: agent=Agent lever=Theme |
| 3 | **remember** | past | goldfish *not said here* |  |  |  | time |  | vn characterize-29.2-1-1 «NP V S\_ING»: agent=Agent |
| 4 | **work** | past | goldfish |  |  |  |  |  | vn employment-95.3 «NP V»: agent=Agent |

<!-- .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.

<!-- div src -->

**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:5`.

**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): no change. **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/).

<!-- /div -->

<!-- pn -->
- ← previous: [Myth check: do goldfish have a three-s…, 4](https://md.mova.elamur.ai/free/en/corpora/school/biology/152-goldfish-memory/4/)
- next →: [Myth check: do goldfish have a three-s…, 6](https://md.mova.elamur.ai/free/en/corpora/school/biology/152-goldfish-memory/6/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/152-goldfish-memory/)