---
title: The three-second memory is a myth: goldfish have been trained to pus… — Goldfish and pond fish: the three-second memory… · tree and pragmatics
description: The three-second memory is a myth: goldfish have been trained to push levers, swim through small mazes and come to a sound at feeding time, and they remember for months. Who acts: second memory, goldfish, levers. A sentence of the lesson «Goldfish and pond fish: the three-second memory myth» of the 
---

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# Goldfish and pond fish: the three-second memory myth, sentence 6

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The three-second memory is a myth: goldfish have been trained to push levers, swim through small mazes and come to a sound at feeding time, and they remember for months.

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**Who acts:** second memory, goldfish, levers · **What happens:** be, train, push, swim, come, remember · **To what, where:** myth, goldfish, levers, small mazes, sound

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This is a sentence of the lesson «Goldfish and pond fish: the three-second memory myth» 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 (second memory, goldfish, levers), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:204-goldfish-and-pond-fish-the-three-second-memory-myth.lesson:6
# text = The three-second memory is a myth: goldfish have been trained to push levers, swim through small mazes and come to a sound at feeding time, and they remember for months.
# source = school lesson (ours)
# course = biology
# lesson = 204-goldfish-and-pond-fish-the-three-second-memory-myth.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 ×2
1	The	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
2	three	three	NUM	CD	NumForm=Word|NumType=Card	4	nummod	_	Agree=R5-strong|Haiku=5:nummod
3	-	-	PUNCT	HYPH	_	2	punct	_	_
4	second	second	ADJ	JJ	Degree=Pos|NumForm=Word|NumType=Ord	5	amod	_	_
5	memory	memory	NOUN	NN	Number=Sing	8	nsubj	_	_
6	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	cop	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
8	myth	myth	NOUN	NN	Number=Sing	0	root	_	_
9	:	:	PUNCT	:	_	13	punct	_	_
10	goldfish	goldfish	NOUN	NNS	Number=Plur	13	nsubj:pass	_	_
11	have	have	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	13	aux	_	_
12	been	be	AUX	VBN	Tense=Past|VerbForm=Part	13	aux:pass	_	_
13	trained	train	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	8	parataxis	_	_
14	to	to	PART	TO	_	15	mark	_	_
15	push	push	VERB	VB	VerbForm=Inf	13	xcomp	_	_
16	levers	lever	NOUN	NNS	Number=Plur	15	obj	_	_
17	,	,	PUNCT	,	_	18	punct	_	_
18	swim	swim	VERB	VB	VerbForm=Inf	15	conj	_	Agree=R5-strong|Haiku=13:conj|HaikuPos=VERB:VBP:Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin
19	through	through	ADP	IN	_	21	case	_	_
20	small	small	ADJ	JJ	Degree=Pos	21	amod	_	_
21	mazes	maze	NOUN	NNS	Number=Plur	18	obl	_	_
22	and	and	CCONJ	CC	_	23	cc	_	_
23	come	come	VERB	VB	VerbForm=Inf	18	conj	_	_
24	to	to	ADP	IN	_	26	case	_	_
25	a	a	DET	DT	Definite=Ind|PronType=Art	26	det	_	_
26	sound	sound	NOUN	NN	Number=Sing	23	obl	_	_
27	at	at	ADP	IN	_	29	case	_	_
28	feeding	feeding	NOUN	NN	Number=Sing	29	compound	_	_
29	time	time	NOUN	NN	Number=Sing	23	obl	_	_
30	,	,	PUNCT	,	_	33	punct	_	_
31	and	and	CCONJ	CC	_	33	cc	_	_
32	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	33	nsubj	_	_
33	remember	remember	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	13	conj	_	_
34	for	for	ADP	IN	_	35	case	_	_
35	months	month	NOUN	NNS	Number=Plur	33	obl	_	_
36	.	.	PUNCT	.	_	8	punct	_	_
```

## Pragmatics {#pragmatics}

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No stored speech act for this sentence.

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | the second memory | a myth |  |  |  |  | tree rules |
| 2 | **train** | present · perfect · passive |  | goldfish |  |  |  |  | vn hire-13.5.3 «NP V NP to be NP»: subject=Theme clause=Attribute |
| 3 | **push** | to-infinitive | goldfish *not said here* | levers |  |  |  |  | vn carry-11.4-1-1 «NP V NP»: agent=Agent lever=Theme |
| 4 | **swim** | infinitive | goldfish *not said here* |  |  | small mazes |  |  | vn run-51.3.2-1 «NP V PP.location»: agent=Theme through maze=Trajectory |
| 5 | **come** | infinitive | goldfish *not said here* |  |  | a sound | time |  | vn escape-51.1-1 «NP V PP.initial\_location»: agent=Theme to sound=Initial\_Location |
| 6 | **remember** | present | levers *= lever* |  |  |  | month |  | vn characterize-29.2-1-1 «NP V S\_ING»: agent=Agent |

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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:204-goldfish-and-pond-fish-the-three-second-memory-myth.lesson:6`.

**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 ×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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