---
title: A squeeze of lemon slows it, because the acid stops the enzyme worki… — Browning apples, rotting and mould · tree and pragmatics
description: A squeeze of lemon slows it, because the acid stops the enzyme working well. Who acts: squeeze, acid, enzyme. 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 of every clause.
---

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# Browning apples, rotting and mould, sentence 2

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A squeeze of lemon slows it, because the acid stops the enzyme working well.

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**Who acts:** squeeze, acid, enzyme · **What happens:** slow, stop, work, squeeze · **To what, where:** lemon, enzyme

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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 (squeeze, acid, enzyme), 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:2
# text = A squeeze of lemon slows it, because the acid stops the enzyme working well.
# 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	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	squeeze	squeeze	NOUN	NN	Number=Sing	5	nsubj	_	_
3	of	of	ADP	IN	_	4	case	_	_
4	lemon	lemon	NOUN	NN	Number=Sing	2	nmod	_	_
5	slows	slow	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	obj	_	_
7	,	,	PUNCT	,	_	5	punct	_	_
8	because	because	SCONJ	IN	_	11	mark	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	acid	acid	NOUN	NN	Number=Sing	11	nsubj	_	_
11	stops	stop	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	advcl	_	_
12	the	the	DET	DT	Definite=Def|PronType=Art	13	det	_	_
13	enzyme	enzyme	NOUN	NN	Number=Sing	11	obj	_	_
14	working	work	VERB	VBG	VerbForm=Ger	13	acl	_	_
15	well	well	ADV	RB	Degree=Pos	14	advmod	_	_
16	.	.	PUNCT	.	_	5	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **slow** | present | a squeeze of lemon | lemon |  |  |  |  | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent it=Patient |
| 2 | **stop** | present | the acid | the enzyme |  |  |  |  | vn stop-55.4-1-1 «NP V NP.eventuality»: agent=Subeventuality enzyme=Eventuality |
| 3 | **work** | gerund | the enzyme *not said here* |  |  |  |  | well *property* | vn employment-95.3 «NP V»: agent=Agent |
| 4 | **squeeze** |  |  | lemon |  |  |  |  | nom squeeze «act transitive»: of=patient |

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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:2`.

**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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