---
title: That is why the safety rules matter: never touch what is dangerous,… — Self-driving cars and machines that run themselves · tree and pragmatics
description: That is why the safety rules matter: never touch what is dangerous, and always tell an adult. Who acts: That, safety rules. A sentence of the lesson «Self-driving cars and machines that run themselves» of the technology course of Mova's primary school with its dependency tree and the pragmatics of e
---

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# Self-driving cars and machines that run themselves, sentence 8

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That is why the safety rules matter: never touch what is dangerous, and always tell an adult.

<!-- .vintro -->
**Who acts:** That, safety rules · **What happens:** be, matter, not touch, tell · **To what, where:** adult · **Speech:** someone speaks here

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This is a sentence of the lesson «Self-driving cars and machines that run themselves» of the technology 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 (That, safety rules), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:technology:040-self-driving-cars-and-machines-that-run-themselves.lesson:8
# text = That is why the safety rules matter: never touch what is dangerous, and always tell an adult.
# source = school lesson (ours)
# course = technology
# lesson = 040-self-driving-cars-and-machines-that-run-themselves.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): R5-strong ×1
1	That	that	PRON	DT	Number=Sing|PronType=Dem	3	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	why	why	ADV	WRB	PronType=Rel	0	root	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	Agree=R5-strong|Haiku=7:det
5	safety	safety	NOUN	NN	Number=Sing	6	compound	_	_
6	rules	rule	NOUN	NNS	Number=Plur	7	nsubj	_	_
7	matter	matter	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	ccomp	_	_
8	:	:	PUNCT	:	_	10	punct	_	_
9	never	never	ADV	RB	PronType=Neg	10	advmod	_	_
10	touch	touch	VERB	VB	VerbForm=Inf	7	parataxis	_	_
11	what	what	PRON	WP	PronType=Int	13	nsubj	_	_
12	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	13	cop	_	_
13	dangerous	dangerous	ADJ	JJ	Degree=Pos	10	ccomp	_	_
14	,	,	PUNCT	,	_	17	punct	_	_
15	and	and	CCONJ	CC	_	17	cc	_	_
16	always	always	ADV	RB	PronType=Tot	17	advmod	_	_
17	tell	tell	VERB	VB	VerbForm=Inf	10	conj	_	_
18	an	a	DET	DT	Definite=Ind|PronType=Art	19	det	_	_
19	adult	adult	NOUN	NN	Number=Sing	17	obj	_	_
20	.	.	PUNCT	.	_	3	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 | **is** | present | That |  |  |  |  | why *property* | tree rules |
| 2 | **matter** | present | the safety rules |  |  |  |  |  | vn matter-91 «NP V»: agent=Stimulus |
| 3 | **not** **touch** | infinitive |  |  |  |  |  |  | vn contiguous\_location-47.8-1 «NP V»: agent=Theme |
| 4 | **is** | present |  |  |  |  |  | dangerous *property* | tree rules |
| 5 | **tell** *speech: assert* | infinitive |  |  | a adult |  |  | always *property* | vn transfer\_mesg-37.1.1-1-1 «NP V NP.recipient»: agent=Agent adult=Recipient |

<!-- .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:technology:040-self-driving-cars-and-machines-that-run-themselves.lesson:8`.

**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): R5-strong ×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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