---
title: Fish use a similar trick with a little bag of gas inside them, calle… — Floating in the real world: ice, submarines and… · tree and pragmatics
description: Fish use a similar trick with a little bag of gas inside them, called a swim bladder. Who acts: Fish, little bag. A sentence of the lesson «Floating in the real world: ice, submarines and balloons» of the physics course of Mova's primary school with its dependency tree and the pragmatics of every cl
---

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# Floating in the real world: ice, submarines and balloons, sentence 8

<!-- .ven lang=en -->
Fish use a similar trick with a little bag of gas inside them, called a swim bladder.

<!-- .vintro -->
**Who acts:** Fish, little bag · **What happens:** use, call · **To what, where:** similar trick, swim bladder · **Speech:** someone speaks here

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This is a sentence of the lesson «Floating in the real world: ice, submarines and balloons» of the physics 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 (Fish, little bag), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:physics:012-ice-submarines-and-balloons.lesson:8
# text = Fish use a similar trick with a little bag of gas inside them, called a swim bladder.
# source = school lesson (ours)
# course = physics
# lesson = 012-ice-submarines-and-balloons.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	Fish	fish	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	use	use	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
4	similar	similar	ADJ	JJ	Degree=Pos	5	amod	_	_
5	trick	trick	NOUN	NN	Number=Sing	2	obj	_	_
6	with	with	ADP	IN	_	9	case	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
8	little	little	ADJ	JJ	Degree=Pos	9	amod	_	_
9	bag	bag	NOUN	NN	Number=Sing	5	nmod	_	_
10	of	of	ADP	IN	_	11	case	_	_
11	gas	gas	NOUN	NN	Number=Sing	9	nmod	_	_
12	inside	inside	ADP	IN	_	13	case	_	_
13	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	11	nmod	_	_
14	,	,	PUNCT	,	_	15	punct	_	_
15	called	call	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	9	acl	_	_
16	a	a	DET	DT	Definite=Ind|PronType=Art	18	det	_	_
17	swim	swim	NOUN	NN	Number=Sing	18	compound	_	_
18	bladder	bladder	NOUN	NN	Number=Sing	15	xcomp	_	Agree=R7-rel-agree|Haiku=15:obj
19	.	.	PUNCT	.	_	2	punct	_	_
```

## Pragmatics {#pragmatics}

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- 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 | **use** | present | Fish | a similar trick |  |  |  | with a little bag of gas inside tanks | vn eat-39.1 «NP V NP»: agent=Agent trick=Patient |
| 2 | **call** | participle | a little bag of gas inside tanks *not said here* | a swim bladder |  |  |  |  | vn initiate\_communication-37.4.2-1 «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.

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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:physics:012-ice-submarines-and-balloons.lesson:8`.

**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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- ← previous: [Floating in the real world: ice, subma…, 7](https://md.mova.elamur.ai/free/en/corpora/school/physics/12-ice-submarines-and-balloons/7/)
- next →: [Floating in the real world: ice, subma…, 9](https://md.mova.elamur.ai/free/en/corpora/school/physics/12-ice-submarines-and-balloons/9/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/physics/12-ice-submarines-and-balloons/)