---
title: Condensation is water vapour turning back into liquid on a cold surf… — Melting, freezing, boiling and condensing · tree and pragmatics
description: Condensation is water vapour turning back into liquid on a cold surface, which is why a cold can looks wet outside. Who acts: Condensation, water vapour, cold. A sentence of the lesson «Melting, freezing, boiling and condensing» of the chemistry course of Mova's primary school with its dependency tr
---

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# Melting, freezing, boiling and condensing, sentence 8

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Condensation is water vapour turning back into liquid on a cold surface, which is why a cold can looks wet outside.

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**Who acts:** Condensation, water vapour, cold · **What happens:** be, turn back, look · **To what, where:** water vapour, liquid

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This is a sentence of the lesson «Melting, freezing, boiling and condensing» 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 (Condensation, water vapour, cold), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:chemistry:005-melting-freezing-boiling-condensing.lesson:8
# text = Condensation is water vapour turning back into liquid on a cold surface, which is why a cold can looks wet outside.
# source = school lesson (ours)
# course = chemistry
# lesson = 005-melting-freezing-boiling-condensing.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 ×2
1	Condensation	condensation	NOUN	NN	Number=Sing	4	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
3	water	water	NOUN	NN	Number=Sing	4	compound	_	_
4	vapour	vapour	NOUN	NN	Number=Sing	0	root	_	_
5	turning	turn	VERB	VBG	VerbForm=Ger	4	acl	_	_
6	back	back	ADV	RB	_	5	advmod	_	Agree=R5-strong|Haiku=8:advmod
7	into	into	ADP	IN	_	8	case	_	_
8	liquid	liquid	NOUN	NN	Number=Sing	5	obl	_	_
9	on	on	ADP	IN	_	12	case	_	_
10	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	_
11	cold	cold	ADJ	JJ	Degree=Pos	12	amod	_	_
12	surface	surface	NOUN	NN	Number=Sing	5	obl	_	_
13	,	,	PUNCT	,	_	16	punct	_	_
14	which	which	PRON	WDT	PronType=Rel	16	nsubj	_	_
15	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	16	cop	_	_
16	why	why	ADV	WRB	PronType=Int	4	acl:relcl	_	_
17	a	a	DET	DT	Definite=Ind|PronType=Art	18	det	_	_
18	cold	cold	NOUN	NN	Number=Sing	20	nsubj	_	_
19	can	can	AUX	MD	VerbForm=Fin	20	aux	_	_
20	looks	look	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	16	ccomp	_	_
21	wet	wet	ADJ	JJ	Degree=Pos	20	xcomp	_	_
22	outside	outside	ADV	RB	_	20	advmod	_	Agree=R5-strong|Haiku=21:advmod
23	.	.	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 | **is a** | present | Condensation | water vapour |  |  |  |  | tree rules |
| 2 | **turn back** | gerund | water vapour *not said here* |  |  | liquid |  | on a cold surface | vn banish-10.2 «NP V NP»: agent=Agent |
| 3 | **is** | present | water vapour |  |  |  |  | why *property* | tree rules |
| 4 | **look** | can | a cold |  |  |  |  | outside, wet *property* | vn stimulus\_subject-30.4 «NP V ADJ»: agent=Stimulus |

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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:005-melting-freezing-boiling-condensing.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): R5-strong ×2. **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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