---
title: A compost heap gets warm because microbes break down the scraps and… — Browning apples, rotting and mould · tree and pragmatics
description: A compost heap gets warm because microbes break down the scraps and release energy as heat. Who acts: compost heap, microbes. 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 18

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A compost heap gets warm because microbes break down the scraps and release energy as heat.

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**Who acts:** compost heap, microbes · **What happens:** get, break down, release · **To what, where:** scraps, energy

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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 (compost heap, microbes), 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:18
# text = A compost heap gets warm because microbes break down the scraps and release energy as heat.
# 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): R8-pos-agree ×2
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	compost	compost	NOUN	NN	Number=Sing	3	compound	_	_
3	heap	heap	NOUN	NN	Number=Sing	4	nsubj	_	_
4	gets	get	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	warm	warm	ADJ	JJ	Degree=Pos	4	xcomp	_	_
6	because	because	SCONJ	IN	_	8	mark	_	_
7	microbes	microbe	NOUN	NNS	Number=Plur	8	nsubj	_	_
8	break	break	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	advcl	_	Agree=R8-pos-agree|Haiku=4:advcl|HaikuPos=VERB:VB:VerbForm=Inf
9	down	down	ADP	RP	_	8	compound:prt	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	scraps	scrap	NOUN	NNS	Number=Plur	8	obj	_	_
12	and	and	CCONJ	CC	_	13	cc	_	_
13	release	release	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	8	conj	_	Agree=R8-pos-agree|Haiku=8:conj|HaikuPos=VERB:VB:VerbForm=Inf
14	energy	energy	NOUN	NN	Number=Sing	13	obj	_	_
15	as	as	ADP	IN	_	16	case	_	_
16	heat	heat	NOUN	NN	Number=Sing	13	obl	_	_
17	.	.	PUNCT	.	_	4	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 | **get** | present | a compost heap |  |  |  |  | warm *property* | vn comprehend-87.2-1 «NP V S\_ING»: agent=Experiencer |
| 2 | **break down** | present | microbes | the scraps |  |  |  |  | vn break-45.1 «NP V NP»: agent=Agent scrap=Patient |
| 3 | **release** | present | microbes *not said here* | energy |  |  |  | as heat | vn free-10.6.3-1 «NP V NP S\_ING»: agent=Causer energy=Source |

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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: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): R8-pos-agree ×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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- ← previous: [Browning apples, rotting and mould, 17](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/23-browning-apples-rotting-and-mould/17/)
- next →: [Browning apples, rotting and mould, 19](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/23-browning-apples-rotting-and-mould/19/)
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