---
title: An open drink goes flat as the gas slowly escapes; squeezing a half-… — Fizzy drinks, Mentos and cola · tree and pragmatics
description: An open drink goes flat as the gas slowly escapes; squeezing a half-empty plastic bottle before closing does not keep it fizzier. Who acts: open drink, gas. A sentence of the lesson «Fizzy drinks, Mentos and cola» of the chemistry course of Mova's primary school with its dependency tree and the prag
---

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# Fizzy drinks, Mentos and cola, sentence 13

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An open drink goes flat as the gas slowly escapes; squeezing a half-empty plastic bottle before closing does not keep it fizzier.

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**Who acts:** open drink, gas · **What happens:** go, escape, squeeze, close, not keep · **To what, where:** empty plastic bottle, bottle

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This is a sentence of the lesson «Fizzy drinks, Mentos and cola» of the chemistry 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 (open drink, gas), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:chemistry:019-fizzy-drinks-mentos-and-cola.lesson:13
# text = An open drink goes flat as the gas slowly escapes; squeezing a half-empty plastic bottle before closing does not keep it fizzier.
# source = school lesson (ours)
# course = chemistry
# lesson = 019-fizzy-drinks-mentos-and-cola.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	An	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	open	open	ADJ	JJ	Degree=Pos	3	amod	_	_
3	drink	drink	NOUN	NN	Number=Sing	4	nsubj	_	_
4	goes	go	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	flat	flat	ADJ	JJ	Degree=Pos	4	xcomp	_	_
6	as	as	SCONJ	IN	_	10	mark	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	gas	gas	NOUN	NN	Number=Sing	10	nsubj	_	_
9	slowly	slowly	ADV	RB	_	10	advmod	_	_
10	escapes	escape	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	advcl	_	_
11	;	;	PUNCT	:	_	12	punct	_	_
12	squeezing	squeeze	VERB	VBG	VerbForm=Ger	23	nsubj	_	_
13	a	a	DET	DT	Definite=Ind|PronType=Art	18	det	_	_
14	half	half	ADJ	JJ	NumForm=Word|NumType=Frac	16	amod	_	_
15	-	-	PUNCT	HYPH	_	16	punct	_	_
16	empty	empty	ADJ	JJ	Degree=Pos	18	amod	_	_
17	plastic	plastic	ADJ	JJ	Degree=Pos	18	amod	_	_
18	bottle	bottle	NOUN	NN	Number=Sing	12	obj	_	_
19	before	before	SCONJ	IN	_	20	mark	_	_
20	closing	close	VERB	VBG	Tense=Pres|VerbForm=Part	23	advcl	_	_
21	does	do	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	23	aux	_	_
22	not	not	PART	RB	Polarity=Neg	23	advmod	_	_
23	keep	keep	VERB	VB	VerbForm=Inf	4	parataxis	_	_
24	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	23	obj	_	_
25	fizzier	fizzy	ADJ	JJR	Degree=Cmp	23	xcomp	_	_
26	.	.	PUNCT	.	_	4	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 | **go** | present | a open drink |  |  |  |  | flat *property* | vn disappearance-48.2-1 «NP V»: agent=Theme |
| 2 | **escape** | present | the gas |  |  |  |  | slowly *property* | vn escape-51.1-1-1 «NP V»: agent=Theme |
| 3 | **squeeze** | gerund |  | a empty plastic bottle |  |  |  |  | vn push-12-1-1 «NP V NP»: agent=Agent bottle=Theme |
| 4 | **close** | gerund |  |  |  |  |  |  | vn other\_cos-45.4 «NP.patient V»: agent=Patient |
| 5 | **not** **keep** | present · do-support |  | bottle |  |  |  | fizzy *property* | vn keep-15.2 «NP V NP»: agent=Agent it=Theme |

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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:chemistry:019-fizzy-drinks-mentos-and-cola.lesson:13`.

**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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