---
title: Cutting opened the apple's cells, so air reached their chemicals, an… — Browning apples, rotting and mould · tree and pragmatics
description: Cutting opened the apple's cells, so air reached their chemicals, and an enzyme helped them react with oxygen. Who acts: air, enzyme, chemicals. A sentence of the lesson «Browning apples, rotting and mould» of the chemistry course of Mova's primary school with its dependency tree and the pragmatics 
---

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# Browning apples, rotting and mould, sentence 1

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Cutting opened the apple's cells, so air reached their chemicals, and an enzyme helped them react with oxygen.

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**Who acts:** air, enzyme, chemicals · **What happens:** cut, open, reach, help, react · **To what, where:** cells, chemicals

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This is a sentence of the lesson «Browning apples, rotting and mould» 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 (air, enzyme, chemicals), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:chemistry:023-browning-apples-rotting-and-mould.lesson:1
# text = Cutting opened the apple's cells, so air reached their chemicals, and an enzyme helped them react with oxygen.
# source = school lesson (ours)
# course = chemistry
# lesson = 023-browning-apples-rotting-and-mould.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	Cutting	cut	VERB	VBG	VerbForm=Ger	2	nsubj	_	_
2	opened	open	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	apple	apple	NOUN	NN	Number=Sing	6	nmod:poss	_	_
5	's	's	PART	POS	_	4	case	_	_
6	cells	cell	NOUN	NNS	Number=Plur	2	obj	_	_
7	,	,	PUNCT	,	_	10	punct	_	_
8	so	so	ADV	RB	_	10	advmod	_	_
9	air	air	NOUN	NN	Number=Sing	10	nsubj	_	_
10	reached	reach	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	2	conj	_	_
11	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	12	nmod:poss	_	_
12	chemicals	chemical	NOUN	NNS	Number=Plur	10	obj	_	_
13	,	,	PUNCT	,	_	17	punct	_	_
14	and	and	CCONJ	CC	_	17	cc	_	_
15	an	a	DET	DT	Definite=Ind|PronType=Art	16	det	_	_
16	enzyme	enzyme	NOUN	NN	Number=Sing	17	nsubj	_	_
17	helped	help	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	2	conj	_	_
18	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	17	obj	_	_
19	react	react	VERB	VB	VerbForm=Inf	17	xcomp	_	_
20	with	with	ADP	IN	_	21	case	_	_
21	oxygen	oxygen	NOUN	NN	Number=Sing	19	obl	_	_
22	.	.	PUNCT	.	_	2	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 | **cut** | gerund |  |  |  |  |  |  | vn amuse-31.1 «NP V ADV-Middle»: agent=Experiencer |
| 2 | **open** | past |  | the apple's cells |  |  |  |  | vn spatial\_configuration-47.6-1 «PP.location V NP»: agent=Location cell=Theme |
| 3 | **reach** | past | air | cells's chemicals |  |  |  |  | vn body\_motion-49.2-1-1 «NP V NP ADV»: agent=Agent chemical=Theme |
| 4 | **help** | past | a enzyme | chemicals *= chemical* |  |  |  |  | vn help-72.1-1-1 «NP V NP S\_INF»: agent=Agent they=Beneficiary clause=Theme |
| 5 | **react** | infinitive | chemicals *= chemical* *not said here* |  |  |  |  | with oxygen | vn respond-113 «NP V PP.predicate»: agent=Agent with oxygen=Eventuality |

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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:023-browning-apples-rotting-and-mould.lesson:1`.

**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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