---
title: Swell sharks gulp water to puff themselves up and wedge into rock cr… — Sharks by kind, small and strange: walking shark… · tree and pragmatics
description: Swell sharks gulp water to puff themselves up and wedge into rock cracks so a predator cannot pull them out. Who acts: Swell sharks, predator. A sentence of the lesson «Sharks by kind, small and strange: walking sharks, wobbegongs, cookiecutters and goblin sharks» of the biology course of Mova's pri
---

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# Sharks by kind, small and strange: walking sharks, wobbegongs, cookiecutters and goblin sharks, sentence 16

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Swell sharks gulp water to puff themselves up and wedge into rock cracks so a predator cannot pull them out.

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**Who acts:** Swell sharks, predator · **What happens:** gulp, puff up, wedge, not pull out · **To what, where:** water, centimetres, rock cracks

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This is a sentence of the lesson «Sharks by kind, small and strange: walking sharks, wobbegongs, cookiecutters and goblin sharks» 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 (Swell sharks, predator), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:311-sharks-by-kind-small-and-strange-walking-sharks-wobbegongs-cookiecutters-and-goblin-sharks.lesson:16
# text = Swell sharks gulp water to puff themselves up and wedge into rock cracks so a predator cannot pull them out.
# source = school lesson (ours)
# course = biology
# lesson = 311-sharks-by-kind-small-and-strange-walking-sharks-wobbegongs-cookiecutters-and-goblin-sharks.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	Swell	swell	ADJ	JJ	Degree=Pos	2	amod	_	_
2	sharks	shark	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	gulp	gulp	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	water	water	NOUN	NN	Number=Sing	3	obj	_	_
5	to	to	PART	TO	_	6	mark	_	_
6	puff	puff	VERB	VB	VerbForm=Inf	3	advcl	_	_
7	themselves	themselves	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs|Reflex=Yes	6	obj	_	_
8	up	up	ADP	RP	_	6	compound:prt	_	_
9	and	and	CCONJ	CC	_	10	cc	_	_
10	wedge	wedge	VERB	VB	VerbForm=Inf	6	conj	_	_
11	into	into	ADP	IN	_	13	case	_	_
12	rock	rock	NOUN	NN	Number=Sing	13	compound	_	_
13	cracks	crack	NOUN	NNS	Number=Plur	10	obl	_	_
14	so	so	SCONJ	IN	_	19	mark	_	_
15	a	a	DET	DT	Definite=Ind|PronType=Art	16	det	_	_
16	predator	predator	NOUN	NN	Number=Sing	19	nsubj	_	_
17	can	can	AUX	MD	VerbForm=Fin	19	aux	_	_
18	not	not	PART	RB	Polarity=Neg	19	advmod	_	_
19	pull	pull	VERB	VB	VerbForm=Inf	10	advcl	_	_
20	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	19	obj	_	_
21	out	out	ADP	RP	_	19	compound:prt	_	_
22	.	.	PUNCT	.	_	3	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 | **gulp** | present | Swell sharks | water |  |  |  |  | vn gobble-39.3 «NP V NP»: agent=Agent water=Patient |
| 2 | **puff up** | to-infinitive | Swell sharks *not said here* | centimetres *= centimetre* |  |  |  |  | vn substance\_emission-43.4-1 «PP.location V NP»: agent=Location themselves=Source |
| 3 | **wedge** | infinitive | Swell sharks *not said here* |  |  | rock cracks |  |  | vn funnel-9.3-1-1 «NP V PP.destination»: agent=Theme into crack=Destination |
| 4 | **not** **pull out** | can | a predator | centimetres *= centimetre* |  |  |  |  | tree rules |

<!-- .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:311-sharks-by-kind-small-and-strange-walking-sharks-wobbegongs-cookiecutters-and-goblin-sharks.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): 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/).

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