---
title: Lightning is a giant electric spark; thunder is the sound of the air… — Weather: pressure, wind, clouds and storms · tree and pragmatics
description: Lightning is a giant electric spark; thunder is the sound of the air it heats suddenly bursting outward. Who acts: Lightning, thunder. A sentence of the lesson «Weather: pressure, wind, clouds and storms» of the world course of Mova's primary school with its dependency tree and the pragmatics of eve
---

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# Weather: pressure, wind, clouds and storms, sentence 14

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Lightning is a giant electric spark; thunder is the sound of the air it heats suddenly bursting outward.

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**Who acts:** Lightning, thunder · **What happens:** be, heat, burst · **To what, where:** giant electric spark, sound, air

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This is a sentence of the lesson «Weather: pressure, wind, clouds and storms» of the world 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 (Lightning, thunder), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:world:015-weather.lesson:14
# text = Lightning is a giant electric spark; thunder is the sound of the air it heats suddenly bursting outward.
# source = school lesson (ours)
# course = world
# lesson = 015-weather.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	Lightning	lightning	NOUN	NN	Number=Sing	6	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
4	giant	giant	ADJ	JJ	Degree=Pos	6	amod	_	_
5	electric	electric	ADJ	JJ	Degree=Pos	6	amod	_	_
6	spark	spark	NOUN	NN	Number=Sing	0	root	_	_
7	;	;	PUNCT	:	_	11	punct	_	_
8	thunder	thunder	NOUN	NN	Number=Sing	11	nsubj	_	_
9	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	11	cop	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	sound	sound	NOUN	NN	Number=Sing	6	parataxis	_	Agree=R7-rel-agree|Haiku=6:conj
12	of	of	ADP	IN	_	14	case	_	_
13	the	the	DET	DT	Definite=Def|PronType=Art	14	det	_	_
14	air	air	NOUN	NN	Number=Sing	11	nmod	_	_
15	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	16	nsubj	_	_
16	heats	heat	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	14	acl:relcl	_	_
17	suddenly	suddenly	ADV	RB	_	18	advmod	_	_
18	bursting	burst	VERB	VBG	Tense=Pres|VerbForm=Part	16	advcl	_	Agree=R7-rel-agree|Haiku=16:xcomp
19	outward	outward	ADV	RB	_	18	advmod	_	_
20	.	.	PUNCT	.	_	6	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 | **is a** | present | Lightning | a giant electric spark |  |  |  |  | tree rules |
| 2 | **is a** | present | thunder | the sound |  |  |  | of the air | tree rules |
| 3 | **heat** | present | thunder | the air *not said here* |  |  |  |  | vn cooking-45.3 «NP.instrument V NP»: agent=Instrument air=Patient |
| 4 | **burst** | gerund | thunder *not said here* |  |  |  |  | outward, suddenly *property* | vn appear-48.1.1 «NP V»: agent=Theme |

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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:world:015-weather.lesson:14`.

**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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- ← previous: [Weather: pressure, wind, clouds and st…, 13](https://md.mova.elamur.ai/free/en/corpora/school/world/15-weather/13/)
- next →: [Weather: pressure, wind, clouds and st…, 15](https://md.mova.elamur.ai/free/en/corpora/school/world/15-weather/15/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/world/15-weather/)

