---
title: Milk left out on a warm table goes sour because bacteria multiply fa… — Microbes: bacteria and viruses, good and bad · tree and pragmatics
description: Milk left out on a warm table goes sour because bacteria multiply fast in warmth and make acid; the fridge slows them down. Who acts: Milk, bacteria, fridge. A sentence of the lesson «Microbes: bacteria and viruses, good and bad» of the biology course of Mova's primary school with its dependency tre
---

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# Microbes: bacteria and viruses, good and bad, sentence 17

<!-- .ven lang=en -->
Milk left out on a warm table goes sour because bacteria multiply fast in warmth and make acid; the fridge slows them down.

<!-- .vintro -->
**Who acts:** Milk, bacteria, fridge · **What happens:** leave out, go, multiply, make, slow down · **To what, where:** Milk, warm table, acid, bacteria

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This is a sentence of the lesson «Microbes: bacteria and viruses, good and bad» of the biology 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 (Milk, bacteria, fridge), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:063-microbes-bacteria-and-viruses.lesson:17
# text = Milk left out on a warm table goes sour because bacteria multiply fast in warmth and make acid; the fridge slows them down.
# source = school lesson (ours)
# course = biology
# lesson = 063-microbes-bacteria-and-viruses.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): R6-punct-agree ×1, R8-pos-agree ×3
1	Milk	milk	NOUN	NN	Number=Sing	8	nsubj	_	_
2	left	leave	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	1	acl	_	Agree=R8-pos-agree|Haiku=1:acl|HaikuPos=VERB:VBD:Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin
3	out	out	ADP	RP	_	2	compound:prt	_	_
4	on	on	ADP	IN	_	7	case	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
6	warm	warm	ADJ	JJ	Degree=Pos	7	amod	_	_
7	table	table	NOUN	NN	Number=Sing	2	obl	_	_
8	goes	go	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
9	sour	sour	ADJ	JJ	Degree=Pos	8	xcomp	_	_
10	because	because	SCONJ	IN	_	12	mark	_	_
11	bacteria	bacterium	NOUN	NNS	Number=Plur	12	nsubj	_	Agree=R8-pos-agree|Haiku=12:nsubj|HaikuPos=NOUN:NN:Number=Sing
12	multiply	multiply	VERB	VBP	Mood=Ind|Tense=Pres|VerbForm=Fin	8	advcl	_	_
13	fast	fast	ADV	RB	_	12	advmod	_	_
14	in	in	ADP	IN	_	15	case	_	_
15	warmth	warmth	NOUN	NN	Number=Sing	12	obl	_	_
16	and	and	CCONJ	CC	_	17	cc	_	_
17	make	make	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	12	conj	_	Agree=R8-pos-agree|Haiku=12:conj|HaikuPos=VERB:VB:VerbForm=Inf
18	acid	acid	NOUN	NN	Number=Sing	17	obj	_	_
19	;	;	PUNCT	,	_	22	punct	_	_
20	the	the	DET	DT	Definite=Def|PronType=Art	21	det	_	_
21	fridge	fridge	NOUN	NN	Number=Sing	22	nsubj	_	_
22	slows	slow	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	parataxis	_	_
23	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	22	obj	_	_
24	down	down	ADP	RP	_	22	compound:prt	_	_
25	.	.	PUNCT	.	_	8	punct	_	Agree=R6-punct-agree|Haiku=2:punct
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **leave out** | participle |  | Milk *not said here* |  | a warm table |  |  | vn neglect-75.1 «NP V NP»: agent=Agent |
| 2 | **go** | present | Milk |  |  |  |  | sour *property* | vn disappearance-48.2-1 «NP V»: agent=Theme |
| 3 | **multiply** | present | bacteria |  |  |  |  | in warmth; fast *property* | vn calibratable\_cos-45.6.1-1 «NP.patient V PP.attribute»: agent=Patient in warmth=Attribute |
| 4 | **make** | present | bacteria *not said here* | acid |  |  |  |  | vn build-26.1-1 «NP.asset V NP»: agent=Asset acid=Product |
| 5 | **slow down** | present | the fridge | bacteria *= bacterium* |  |  |  |  | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent they=Patient |

<!-- .note -->
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:biology:063-microbes-bacteria-and-viruses.lesson:17`.

**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): R6-punct-agree ×1, R8-pos-agree ×3. **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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