---
title: Almost all electricity comes from something spinning a generator; so… — Olympiad: transport, building and energy ★★★ · tree and pragmatics
description: Almost all electricity comes from something spinning a generator; solar panels are the exception, because in them light knocks tiny electrons free in silicon cells. Who acts: electricity, solar panels, light. A sentence of the lesson «Olympiad: transport, building and energy ★★★» of the technology c
---

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# Olympiad: transport, building and energy ★★★, sentence 8

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Almost all electricity comes from something spinning a generator; solar panels are the exception, because in them light knocks tiny electrons free in silicon cells.

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**Who acts:** electricity, solar panels, light · **What happens:** come, spin, be, knock · **To what, where:** something, generator, exception, tiny electrons

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This is a sentence of the lesson «Olympiad: transport, building and energy ★★★» 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 (electricity, solar panels, light), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:technology:043-olympiad-transport-building-and-energy.lesson:8
# text = Almost all electricity comes from something spinning a generator; solar panels are the exception, because in them light knocks tiny electrons free in silicon cells.
# source = school lesson (ours)
# course = technology
# lesson = 043-olympiad-transport-building-and-energy.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): R2-punct-next ×1, R5-strong ×1, R7-rel-agree ×1
1	Almost	almost	ADV	RB	_	2	advmod	_	Agree=R5-strong|Haiku=4:advmod
2	all	all	DET	DT	PronType=Tot	3	det	_	_
3	electricity	electricity	NOUN	NN	Number=Sing	4	nsubj	_	_
4	comes	come	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	from	from	ADP	IN	_	6	case	_	_
6	something	something	PRON	NN	Number=Sing|PronType=Ind	4	obl	_	_
7	spinning	spin	VERB	VBG	VerbForm=Ger	6	acl	_	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
9	generator	generator	NOUN	NN	Number=Sing	7	obj	_	_
10	;	;	PUNCT	:	_	15	punct	_	Agree=R2-punct-next|Haiku=4:punct
11	solar	solar	ADJ	JJ	Degree=Pos	12	amod	_	_
12	panels	panel	NOUN	NNS	Number=Plur	15	nsubj	_	_
13	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	15	cop	_	_
14	the	the	DET	DT	Definite=Def|PronType=Art	15	det	_	_
15	exception	exception	NOUN	NN	Number=Sing	4	parataxis	_	Agree=R7-rel-agree|Haiku=4:conj
16	,	,	PUNCT	,	_	21	punct	_	_
17	because	because	SCONJ	IN	_	21	mark	_	_
18	in	in	ADP	IN	_	19	case	_	_
19	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	21	obl	_	_
20	light	light	NOUN	NN	Number=Sing	21	nsubj	_	_
21	knocks	knock	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	15	advcl	_	_
22	tiny	tiny	ADJ	JJ	Degree=Pos	23	amod	_	_
23	electrons	electron	NOUN	NNS	Number=Plur	21	obj	_	_
24	free	free	ADJ	JJ	Degree=Pos	23	amod	_	_
25	in	in	ADP	IN	_	27	case	_	_
26	silicon	silicon	NOUN	NN	Number=Sing	27	compound	_	_
27	cells	cell	NOUN	NNS	Number=Plur	24	obl	_	_
28	.	.	PUNCT	.	_	4	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 | **come** | present | all electricity |  |  | something |  |  | vn escape-51.1-1 «NP V PP.initial\_location»: agent=Theme from something=Initial\_Location |
| 2 | **spin** | gerund |  | a generator |  |  |  |  | vn roll-51.3.1 «NP V NP.theme»: agent=Agent generator=Theme |
| 3 | **is a** | present | solar panels | the exception |  |  |  |  | tree rules |
| 4 | **knock** | present | light | tiny electrons |  |  |  | in panels *= panel* | vn throw-17.1-1 «NP V NP PP.destinations»: agent=Agent electron=Theme in they=Destination |

<!-- .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:043-olympiad-transport-building-and-energy.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): R2-punct-next ×1, R5-strong ×1, 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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