---
title: The thick earth pin on a plug gives stray electricity a safe path in… — Electricity and safety · tree and pragmatics
description: The thick earth pin on a plug gives stray electricity a safe path into the ground, so metal kettles and washing machines are earthed. Who acts: thick earth pin. A sentence of the lesson «Electricity and safety» of the physics course of Mova's primary school with its dependency tree and the pragmatic
---

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# Electricity and safety, sentence 16

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The thick earth pin on a plug gives stray electricity a safe path into the ground, so metal kettles and washing machines are earthed.

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**Who acts:** thick earth pin · **What happens:** give, earth · **To what, where:** safe path, stray electricity, ground, metal kettles

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This is a sentence of the lesson «Electricity and safety» of the physics 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 (thick earth pin), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:physics:028-electricity-and-safety.lesson:16
# text = The thick earth pin on a plug gives stray electricity a safe path into the ground, so metal kettles and washing machines are earthed.
# source = school lesson (ours)
# course = physics
# lesson = 028-electricity-and-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 ×2
1	The	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
2	thick	thick	ADJ	JJ	Degree=Pos	4	amod	_	_
3	earth	earth	NOUN	NN	Number=Sing	4	compound	_	_
4	pin	pin	NOUN	NN	Number=Sing	8	nsubj	_	_
5	on	on	ADP	IN	_	7	case	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
7	plug	plug	NOUN	NN	Number=Sing	4	nmod	_	_
8	gives	give	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
9	stray	stray	ADJ	JJ	Degree=Pos	10	amod	_	Agree=R7-rel-agree|Haiku=10:compound|HaikuPos=NOUN:NN:Number=Sing
10	electricity	electricity	NOUN	NN	Number=Sing	8	iobj	_	_
11	a	a	DET	DT	Definite=Ind|PronType=Art	13	det	_	_
12	safe	safe	ADJ	JJ	Degree=Pos	13	amod	_	_
13	path	path	NOUN	NN	Number=Sing	8	obj	_	_
14	into	into	ADP	IN	_	16	case	_	_
15	the	the	DET	DT	Definite=Def|PronType=Art	16	det	_	_
16	ground	ground	NOUN	NN	Number=Sing	13	nmod	_	_
17	,	,	PUNCT	,	_	20	punct	_	_
18	so	so	ADV	RB	_	20	advmod	_	_
19	metal	metal	NOUN	NN	Number=Sing	20	compound	_	_
20	kettles	kettle	NOUN	NNS	Number=Plur	25	nsubj	_	_
21	and	and	CCONJ	CC	_	23	cc	_	_
22	washing	washing	NOUN	NN	Number=Sing	23	compound	_	Agree=R7-rel-agree|Haiku=23:amod|HaikuPos=VERB:VBG:VerbForm=Ger
23	machines	machine	NOUN	NNS	Number=Plur	20	conj	_	_
24	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	25	aux:pass	_	_
25	earthed	earth	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	8	advcl	_	_
26	.	.	PUNCT	.	_	8	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 | **give** | present | the thick earth pin on a plug | a safe path | stray electricity | the ground |  |  | vn give-13.1-1 «NP V NP-Dative NP»: agent=Agent electricity=Recipient path=Theme |
| 2 | **earth** | present · passive |  | metal kettles and washing machines |  |  |  |  | tree rules |

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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:physics:028-electricity-and-safety.lesson:16`.

**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 ×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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