---
title: Fridges and air conditioners use special gases that soak up heat whe… — The air we breathe · tree and pragmatics
description: Fridges and air conditioners use special gases that soak up heat when they evaporate and give it out when squeezed; old fridges are recycled carefully so these gases do not escape. Who acts: Fridges, special gases, gases. A sentence of the lesson «The air we breathe» of the chemistry course of Mova'
---

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# The air we breathe, sentence 18

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Fridges and air conditioners use special gases that soak up heat when they evaporate and give it out when squeezed; old fridges are recycled carefully so these gases do not escape.

<!-- .vintro -->
**Who acts:** Fridges, special gases, gases · **What happens:** use, soak up, evaporate, give out, squeeze, recycle · **To what, where:** special gases, heat, old fridges

<!-- .vabout -->
This is a sentence of the lesson «The air we breathe» 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 (Fridges, special gases, gases), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:chemistry:033-the-air-we-breathe.lesson:18
# text = Fridges and air conditioners use special gases that soak up heat when they evaporate and give it out when squeezed; old fridges are recycled carefully so these gases do not escape.
# source = school lesson (ours)
# course = chemistry
# lesson = 033-the-air-we-breathe.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, R7-rel-agree ×2, R8-pos-agree ×1
1	Fridges	fridge	NOUN	NNS	Number=Plur	5	nsubj	_	_
2	and	and	CCONJ	CC	_	4	cc	_	_
3	air	air	NOUN	NN	Number=Sing	4	compound	_	_
4	conditioners	conditioner	NOUN	NNS	Number=Plur	1	conj	_	_
5	use	use	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	special	special	ADJ	JJ	Degree=Pos	7	amod	_	_
7	gases	gas	NOUN	NNS	Number=Plur	5	obj	_	_
8	that	that	PRON	WDT	PronType=Rel	9	nsubj	_	_
9	soak	soak	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	7	acl:relcl	_	_
10	up	up	ADP	RP	_	9	compound:prt	_	_
11	heat	heat	NOUN	NN	Number=Sing	9	obj	_	_
12	when	when	ADV	WRB	PronType=Int	14	advmod	_	_
13	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	14	nsubj	_	_
14	evaporate	evaporate	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	9	advcl	_	Agree=R5-strong|Haiku=5:advcl
15	and	and	CCONJ	CC	_	16	cc	_	_
16	give	give	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	conj	_	Agree=R8-pos-agree|Haiku=5:conj|HaikuPos=VERB:VB:VerbForm=Inf
17	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	16	obj	_	Agree=R7-rel-agree|Haiku=16:iobj
18	out	out	ADP	RP	_	16	compound:prt	_	_
19	when	when	ADV	WRB	PronType=Int	20	advmod	_	_
20	squeezed	squeeze	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	16	advcl	_	_
21	;	;	PUNCT	,	_	25	punct	_	_
22	old	old	ADJ	JJ	Degree=Pos	23	amod	_	_
23	fridges	fridge	NOUN	NNS	Number=Plur	25	nsubj	_	_
24	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	25	aux:pass	_	_
25	recycled	recycle	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	5	parataxis	_	Agree=R7-rel-agree|Haiku=5:conj
26	carefully	carefully	ADV	RB	_	25	advmod	_	_
27	so	so	ADV	RB	_	32	advmod	_	_
28	these	this	DET	DT	Number=Plur|PronType=Dem	29	det	_	_
29	gases	gas	NOUN	NNS	Number=Plur	32	nsubj	_	_
30	do	do	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	32	aux	_	_
31	not	not	PART	RB	Polarity=Neg	32	advmod	_	_
32	escape	escape	VERB	VB	VerbForm=Inf	25	conj	_	_
33	.	.	PUNCT	.	_	5	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 | **use** | present | Fridges and air conditioners | special gases |  |  |  |  | vn eat-39.1 «NP V NP»: agent=Agent gas=Patient |
| 2 | **soak up** | present | special gases | heat |  |  |  |  | vn wipe\_manner-10.4.1 «NP V NP.source»: agent=Agent heat=Source |
| 3 | **evaporate** | present | Fridges *= fridge* |  |  |  |  |  | vn other\_cos-45.4 «NP.patient V»: agent=Patient |
| 4 | **give out** | present | Fridges and air conditioners *not said here* | heat |  |  |  |  | vn contribute-13.2 «NP V NP.theme (PP)»: agent=Agent it=Theme |
| 5 | **squeeze** | participle | Fridges and air conditioners *not said here* |  |  |  |  |  | vn push-12-1-1 «NP V PP»: agent=Agent |
| 6 | **recycle** | present · passive |  | old fridges |  |  |  | carefully *property* | tree rules |
| 7 | **not** **escape** | present · do-support | this gases |  |  |  |  |  | vn escape-51.1-1-1 «NP V»: agent=Theme |

<!-- .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:chemistry:033-the-air-we-breathe.lesson:18`.

**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, R7-rel-agree ×2, R8-pos-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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