---
title: A swallowed button battery can burn through the inside of a child's… — Cleaning chemicals and safety at home · tree and pragmatics
description: A swallowed button battery can burn through the inside of a child's throat within hours, so it is an emergency: go to hospital at once. Who acts: swallowed button battery, battery. A sentence of the lesson «Cleaning chemicals and safety at home» of the chemistry course of Mova's primary school with 
---

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# Cleaning chemicals and safety at home, sentence 19

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A swallowed button battery can burn through the inside of a child's throat within hours, so it is an emergency: go to hospital at once.

<!-- .vintro -->
**Who acts:** swallowed button battery, battery · **What happens:** swallow, burn, be, go · **To what, where:** inside, emergency, hospital

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This is a sentence of the lesson «Cleaning chemicals and safety at home» 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 (swallowed button battery, battery), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:chemistry:025-cleaning-chemicals-safety.lesson:19
# text = A swallowed button battery can burn through the inside of a child's throat within hours, so it is an emergency: go to hospital at once.
# source = school lesson (ours)
# course = chemistry
# lesson = 025-cleaning-chemicals-safety.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	A	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
2	swallowed	swallow	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	amod	_	_
3	button	button	NOUN	NN	Number=Sing	4	compound	_	_
4	battery	battery	NOUN	NN	Number=Sing	6	nsubj	_	_
5	can	can	AUX	MD	VerbForm=Fin	6	aux	_	_
6	burn	burn	VERB	VB	VerbForm=Inf	0	root	_	_
7	through	through	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	inside	inside	NOUN	NN	Number=Sing	6	obl	_	_
10	of	of	ADP	IN	_	14	case	_	_
11	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	_
12	child	child	NOUN	NN	Number=Sing	14	nmod:poss	_	_
13	's	's	PART	POS	_	12	case	_	_
14	throat	throat	NOUN	NN	Number=Sing	9	nmod	_	_
15	within	within	ADP	IN	_	16	case	_	_
16	hours	hour	NOUN	NNS	Number=Plur	6	obl	_	_
17	,	,	PUNCT	,	_	22	punct	_	_
18	so	so	ADV	RB	_	22	advmod	_	_
19	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	22	nsubj	_	_
20	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	22	cop	_	_
21	an	a	DET	DT	Definite=Ind|PronType=Art	22	det	_	_
22	emergency	emergency	NOUN	NN	Number=Sing	6	parataxis	_	Agree=R7-rel-agree|Haiku=6:conj
23	:	:	PUNCT	:	_	24	punct	_	_
24	go	go	VERB	VB	Mood=Imp|VerbForm=Fin	22	parataxis	_	_
25	to	to	ADP	IN	_	26	case	_	_
26	hospital	hospital	NOUN	NN	Number=Sing	24	obl	_	_
27	at	at	ADP	IN	_	28	case	_	_
28	once	once	ADV	RB	_	24	obl	_	_
29	.	.	PUNCT	.	_	6	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: statement
- act: warn
- voice: narrator
- polarity: none
- teacher: changed act=warn

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **swallow** | participle |  |  |  |  |  |  | vn hiccup-40.1.1 «NP V»: agent=Agent |
| 2 | **burn** | can | a swallowed button battery |  |  | the inside of a child's throat | hour |  | vn light\_emission-43.1 «NP V PP.location»: agent=Theme through inside=Location |
| 3 | **is a** | present | battery | a emergency |  |  |  |  | tree rules |
| 4 | **go** | infinitive |  |  |  | hospital |  |  | vn escape-51.1-1 «NP V PP.initial\_location»: agent=Theme to hospital=Initial\_Location |

<!-- .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:chemistry:025-cleaning-chemicals-safety.lesson:19`.

**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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