---
title: Stars twinkle because moving air bends their light; above the air, a… — Olympiad: stars, light and space history ★★★ · tree and pragmatics
description: Stars twinkle because moving air bends their light; above the air, as on the International Space Station, they shine steadily. Who acts: Stars, air. A sentence of the lesson «Olympiad: stars, light and space history ★★★» of the space course of Mova's primary school with its dependency tree and the p
---

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# Olympiad: stars, light and space history ★★★, sentence 12

<!-- .ven lang=en -->
Stars twinkle because moving air bends their light; above the air, as on the International Space Station, they shine steadily.

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**Who acts:** Stars, air · **What happens:** twinkle, move, bend, shine, light · **To what, where:** light, air

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This is a sentence of the lesson «Olympiad: stars, light and space history ★★★» of the space 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 (Stars, air), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:space:032-olympiad-stars-light-and-space-history.lesson:12
# text = Stars twinkle because moving air bends their light; above the air, as on the International Space Station, they shine steadily.
# source = school lesson (ours)
# course = space
# lesson = 032-olympiad-stars-light-and-space-history.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): no change
1	Stars	star	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	twinkle	twinkle	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	because	because	SCONJ	IN	_	6	mark	_	_
4	moving	move	VERB	VBG	VerbForm=Ger	5	acl	_	_
5	air	air	NOUN	NN	Number=Sing	6	nsubj	_	_
6	bends	bend	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	advcl	_	_
7	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	8	nmod:poss	_	_
8	light	light	NOUN	NN	Number=Sing	6	obj	_	_
9	;	;	PUNCT	:	_	2	punct	_	_
10	above	above	ADP	IN	_	12	case	_	_
11	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
12	air	air	NOUN	NN	Number=Sing	22	obl	_	_
13	,	,	PUNCT	,	_	19	punct	_	_
14	as	as	ADP	IN	_	19	case	_	_
15	on	on	ADP	IN	_	19	case	_	_
16	the	the	DET	DT	Definite=Def|PronType=Art	19	det	_	_
17	International	International	PROPN	NNP	_	19	compound	_	_
18	Space	Space	PROPN	NNP	Number=Sing	19	compound	_	_
19	Station	Station	PROPN	NNP	Number=Sing	12	nmod	_	_
20	,	,	PUNCT	,	_	22	punct	_	_
21	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	22	nsubj	_	_
22	shine	shine	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	2	conj	_	_
23	steadily	steadily	ADV	RB	_	22	advmod	_	_
24	.	.	PUNCT	.	_	2	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 | **twinkle** | present | Stars |  |  |  |  |  | vn light\_emission-43.1 «NP V»: agent=Theme |
| 2 | **move** | gerund | air *not said here* |  |  |  |  |  | vn roll-51.3.1 «NP.theme V»: agent=Theme |
| 3 | **bend** | present | air | stars's light |  |  |  |  | vn knead-26.5 «NP V NP.material»: agent=Agent light=Material |
| 4 | **shine** | present | stars *= star* |  |  | the air as the International Space Station |  | steadily *property* | vn light\_emission-43.1 «NP V PP.location»: agent=Theme above air=Location |
| 5 | **light** |  | stars *= star* |  |  |  |  |  | nom light «phenomenon transitive»: poss=agent |

<!-- .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:space:032-olympiad-stars-light-and-space-history.lesson:12`.

**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): no change. **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: [Olympiad: stars, light and space histo…, 11](https://md.mova.elamur.ai/free/en/corpora/school/space/32-olympiad-stars-light-and-space-history/11/)
- next →: [Olympiad: stars, light and space histo…, 14](https://md.mova.elamur.ai/free/en/corpora/school/space/32-olympiad-stars-light-and-space-history/14/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/space/32-olympiad-stars-light-and-space-history/)

