---
title: Car batteries contain a strong acid that burns skin and eyes, so the… — Acids in the kitchen · tree and pragmatics
description: Car batteries contain a strong acid that burns skin and eyes, so they must never be opened. Who acts: Car batteries, strong acid. A sentence of the lesson «Acids in the kitchen» of the chemistry course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/chemistry/15-acids-in-the-kitchen/19/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Chemistry](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/) / [Acids in the kitchen](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/15-acids-in-the-kitchen/) / 19

# Acids in the kitchen, sentence 19

<!-- .ven lang=en -->
Car batteries contain a strong acid that burns skin and eyes, so they must never be opened.

<!-- .vintro -->
**Who acts:** Car batteries, strong acid · **What happens:** contain, burn, not open · **To what, where:** strong acid, skin

<!-- .vabout -->
This is a sentence of the lesson «Acids in the kitchen» 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 (Car batteries, strong acid), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:chemistry:015-acids-in-the-kitchen.lesson:19
# text = Car batteries contain a strong acid that burns skin and eyes, so they must never be opened.
# source = school lesson (ours)
# course = chemistry
# lesson = 015-acids-in-the-kitchen.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	Car	car	NOUN	NN	_	2	compound	_	_
2	batteries	battery	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	contain	contain	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
5	strong	strong	ADJ	JJ	Degree=Pos	6	amod	_	_
6	acid	acid	NOUN	NN	Number=Sing	3	obj	_	_
7	that	that	PRON	WDT	PronType=Rel	8	nsubj	_	_
8	burns	burn	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	acl:relcl	_	_
9	skin	skin	NOUN	NN	Number=Sing	8	obj	_	_
10	and	and	CCONJ	CC	_	11	cc	_	_
11	eyes	eye	NOUN	NNS	Number=Plur	9	conj	_	_
12	,	,	PUNCT	,	_	18	punct	_	_
13	so	so	ADV	RB	_	18	advmod	_	_
14	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	18	nsubj:pass	_	_
15	must	must	AUX	MD	VerbForm=Fin	18	aux	_	_
16	never	never	ADV	RB	PronType=Neg	18	advmod	_	_
17	be	be	AUX	VB	VerbForm=Inf	18	aux:pass	_	_
18	opened	open	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	parataxis	_	Agree=R7-rel-agree|Haiku=3:conj
19	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **contain** | present | Car batteries | a strong acid |  |  |  |  | vn comprise-107.2-2 «NP V NP»: agent=Pivot acid=Theme |
| 2 | **burn** | present | a strong acid | skin and eyes |  |  |  |  | vn light\_emission-43.1 «NP V NP.theme»: agent=Agent skin=Theme |
| 3 | **not** **open** | must · passive |  | skin |  |  |  |  | vn spatial\_configuration-47.6-1 «PP.location V NP»: subject=Theme |

<!-- .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.

<!-- div src -->

**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:015-acids-in-the-kitchen.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/).

<!-- /div -->

<!-- pn -->
- ← previous: [Acids in the kitchen, 18](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/15-acids-in-the-kitchen/18/)
- next →: [Acids in the kitchen, 20](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/15-acids-in-the-kitchen/20/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/15-acids-in-the-kitchen/)