---
title: Many female sea turtles come back to lay eggs on the beach where the… — Turtles and tortoises · tree and pragmatics
description: Many female sea turtles come back to lay eggs on the beach where they hatched; scientists think they remember its magnetic signature. Who acts: Many female sea turtles, eggs, turtle. A sentence of the lesson «Turtles and tortoises» of the biology course of Mova's primary school with its dependency t
---

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# Turtles and tortoises, sentence 14

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Many female sea turtles come back to lay eggs on the beach where they hatched; scientists think they remember its magnetic signature.

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**Who acts:** Many female sea turtles, eggs, turtle · **What happens:** come back, lay, hatch, think, remember, sign · **To what, where:** eggs, beach, magnetic signature · **Speech:** someone speaks here

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This is a sentence of the lesson «Turtles and tortoises» 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 (Many female sea turtles, eggs, turtle), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:031-turtles-and-tortoises.lesson:14
# text = Many female sea turtles come back to lay eggs on the beach where they hatched; scientists think they remember its magnetic signature.
# source = school lesson (ours)
# course = biology
# lesson = 031-turtles-and-tortoises.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): R7-rel-agree ×1
1	Many	many	ADJ	JJ	Degree=Pos	4	amod	_	_
2	female	female	ADJ	JJ	Degree=Pos	4	amod	_	_
3	sea	sea	NOUN	NN	Number=Sing	4	compound	_	_
4	turtles	turtle	NOUN	NNS	Number=Plur	18	nsubj	_	_
5	come	come	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	acl:relcl	_	_
6	back	back	ADV	RB	_	5	advmod	_	_
7	to	to	PART	TO	_	8	mark	_	_
8	lay	lay	VERB	VB	VerbForm=Inf	5	advcl	_	Agree=R7-rel-agree|Haiku=5:xcomp
9	eggs	egg	NOUN	NNS	Number=Plur	8	obj	_	_
10	on	on	ADP	IN	_	12	case	_	_
11	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
12	beach	beach	NOUN	NN	Number=Sing	8	obl	_	_
13	where	where	ADV	WRB	PronType=Rel	15	advmod	_	_
14	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	15	nsubj	_	_
15	hatched	hatch	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	12	acl:relcl	_	_
16	;	;	PUNCT	,	_	4	punct	_	_
17	scientists	scientist	NOUN	NNS	Number=Plur	18	nsubj	_	_
18	think	think	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
19	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	20	nsubj	_	_
20	remember	remember	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	18	ccomp	_	_
21	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	23	nmod:poss	_	_
22	magnetic	magnetic	ADJ	JJ	Degree=Pos	23	amod	_	_
23	signature	signature	NOUN	NN	Number=Sing	20	obj	_	_
24	.	.	PUNCT	.	_	18	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
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 | **come back** | present | Many female sea turtles *not said here* |  |  |  |  |  | vn escape-51.1-1 «NP V»: agent=Theme |
| 2 | **lay** | to-infinitive | Many female sea turtles *not said here* | eggs |  | the beach |  |  | vn put\_spatial-9.2 «NP V NP PP.destination»: agent=Agent egg=Theme on beach=Destination |
| 3 | **hatch** | past | eggs *= egg* |  |  |  |  |  | vn grow-26.2.1 «NP.patient V PP.product»: agent=Patient |
| 4 | **think** *speech: other* | present | Many female sea turtles |  |  |  |  |  | vn consider-29.9-2 «NP V how S»: agent=Agent clause=Theme |
| 5 | **remember** | present | eggs *= egg* | turtle's magnetic signature |  |  |  |  | vn characterize-29.2-1-1 «NP V NP S\_ING»: agent=Agent signature=Theme |
| 6 | **sign** |  | turtle |  |  |  |  |  | nom signature «communication transitive»: poss=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.

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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:031-turtles-and-tortoises.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): R7-rel-agree ×1. **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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