---
title: Sugar burns to black carbon in a hot pan; salt does not burn. — Molecules: when atoms join up · tree and pragmatics
description: Sugar burns to black carbon in a hot pan; salt does not burn. Who acts: Sugar, salt. A sentence of the lesson «Molecules: when atoms join up» of the chemistry course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Molecules: when atoms join up, sentence 10

<!-- .ven lang=en -->
Sugar burns to black carbon in a hot pan; salt does not burn.

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**Who acts:** Sugar, salt · **What happens:** burn, not burn · **To what, where:** hot pan

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This is a sentence of the lesson «Molecules: when atoms join up» 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 (Sugar, salt), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:chemistry:003-molecules-when-atoms-join-up.lesson:10
# text = Sugar burns to black carbon in a hot pan; salt does not burn.
# source = school lesson (ours)
# course = chemistry
# lesson = 003-molecules-when-atoms-join-up.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	Sugar	sugar	NOUN	NN	Number=Sing	2	nsubj	_	_
2	burns	burn	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	to	to	ADP	IN	_	5	case	_	_
4	black	black	ADJ	JJ	Degree=Pos	5	amod	_	_
5	carbon	carbon	NOUN	NN	Number=Sing	2	obl	_	_
6	in	in	ADP	IN	_	9	case	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
8	hot	hot	ADJ	JJ	Degree=Pos	9	amod	_	_
9	pan	pan	NOUN	NN	Number=Sing	2	obl	_	_
10	;	;	PUNCT	:	_	14	punct	_	_
11	salt	salt	NOUN	NN	Number=Sing	14	nsubj	_	_
12	does	do	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	14	aux	_	_
13	not	not	PART	RB	Polarity=Neg	14	advmod	_	_
14	burn	burn	VERB	VB	VerbForm=Inf	2	parataxis	_	Agree=R7-rel-agree|Haiku=2:conj
15	.	.	PUNCT	.	_	2	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- 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 | **burn** | present | Sugar |  |  | a hot pan |  | to black carbon | vn light\_emission-43.1 «NP V PP.location»: agent=Theme in pan=Location |
| 2 | **not** **burn** | present · do-support | salt |  |  |  |  |  | vn light\_emission-43.1 «NP V»: agent=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:003-molecules-when-atoms-join-up.lesson:10`.

**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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