---
title: Elephant seals can dive over 1,500 metres deep and stay under for mo… — Dolphins, porpoises and seals · tree and pragmatics
description: Elephant seals can dive over 1,500 metres deep and stay under for more than an hour, storing oxygen in their blood and muscles and slowing their heart. Who acts: Elephant seals. A sentence of the lesson «Dolphins, porpoises and seals» of the biology course of Mova's primary school with its dependenc
---

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# Dolphins, porpoises and seals, sentence 16

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Elephant seals can dive over 1,500 metres deep and stay under for more than an hour, storing oxygen in their blood and muscles and slowing their heart.

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**Who acts:** Elephant seals · **What happens:** dive, stay, store, slow · **To what, where:** oxygen, blood, heart

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This is a sentence of the lesson «Dolphins, porpoises and seals» 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 (Elephant seals), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:027-dolphins-porpoises-and-seals.lesson:16
# text = Elephant seals can dive over 1,500 metres deep and stay under for more than an hour, storing oxygen in their blood and muscles and slowing their heart.
# source = school lesson (ours)
# course = biology
# lesson = 027-dolphins-porpoises-and-seals.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
1	Elephant	elephant	NOUN	NN	Number=Sing	2	compound	_	_
2	seals	seal	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	can	can	AUX	MD	VerbForm=Fin	4	aux	_	_
4	dive	dive	VERB	VB	VerbForm=Inf	0	root	_	_
5	over	over	ADP	IN	_	7	case	_	_
6	1,500	1,500	NUM	CD	NumForm=Digit|NumType=Card	7	nummod	_	_
7	metres	metre	NOUN	NNS	Number=Plur	8	obl	_	Agree=R5-strong|Haiku=4:obl
8	deep	deep	ADV	RB	_	4	advmod	_	_
9	and	and	CCONJ	CC	_	10	cc	_	_
10	stay	stay	VERB	VB	VerbForm=Inf	4	conj	_	_
11	under	under	ADV	RB	_	10	advmod	_	_
12	for	for	ADP	IN	_	16	case	_	_
13	more	more	ADJ	JJR	Degree=Cmp|ExtPos=ADV	16	advmod	_	_
14	than	than	ADP	IN	_	13	fixed	_	_
15	an	a	DET	DT	Definite=Ind|PronType=Art	16	det	_	_
16	hour	hour	NOUN	NN	Number=Sing	10	obl	_	_
17	,	,	PUNCT	,	_	18	punct	_	_
18	storing	store	VERB	VBG	Tense=Pres|VerbForm=Part	10	advcl	_	_
19	oxygen	oxygen	NOUN	NN	Number=Sing	18	obj	_	_
20	in	in	ADP	IN	_	22	case	_	_
21	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	22	nmod:poss	_	_
22	blood	blood	NOUN	NN	Number=Sing	18	obl	_	_
23	and	and	CCONJ	CC	_	24	cc	_	_
24	muscles	muscle	NOUN	NNS	Number=Plur	22	conj	_	_
25	and	and	CCONJ	CC	_	26	cc	_	_
26	slowing	slow	VERB	VBG	Tense=Pres|VerbForm=Part	18	conj	_	_
27	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	28	nmod:poss	_	_
28	heart	heart	NOUN	NN	Number=Sing	26	obj	_	_
29	.	.	PUNCT	.	_	4	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **dive** | can | Elephant seals |  |  |  |  | deep *property* | vn calibratable\_cos-45.6.1-1 «NP.attribute V»: agent=Attribute |
| 2 | **stay** | infinitive | Elephant seals *not said here* |  |  |  | hour | under *property* | vn exist-47.1 «NP V»: agent=Theme |
| 3 | **store** | gerund | Elephant seals *not said here* | oxygen |  | metres's blood and muscles |  |  | vn keep-15.2 «NP V NP PP.location»: agent=Agent oxygen=Theme in blood=Location |
| 4 | **slow** | gerund | Elephant seals *not said here* | muscles's heart |  |  |  |  | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent heart=Patient |

<!-- .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:027-dolphins-porpoises-and-seals.lesson:16`.

**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. **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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