---
title: Stars twinkle because moving air bends their light; seen from space,… — Olympiad: how could you check it? ★★★ · tree and pragmatics
description: Stars twinkle because moving air bends their light; seen from space, above the air, they shine steadily. Who acts: Stars, moving air. A sentence of the lesson «Olympiad: how could you check it? ★★★» of the myths course of Mova's primary school with its dependency tree and the pragmatics of every cla
---

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# Olympiad: how could you check it? ★★★, sentence 17

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Stars twinkle because moving air bends their light; seen from space, above the air, they shine steadily.

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

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This is a sentence of the lesson «Olympiad: how could you check it? ★★★» of the myths 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, moving air), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:myths:037-olympiad-how-could-you-check-it.lesson:17
# text = Stars twinkle because moving air bends their light; seen from space, above the air, they shine steadily.
# source = school lesson (ours)
# course = myths
# lesson = 037-olympiad-how-could-you-check-it.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 ×1
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	amod	_	_
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	,	_	10	punct	_	_
10	seen	see	VERB	VBN	Tense=Past|VerbForm=Part	19	advcl	_	_
11	from	from	ADP	IN	_	12	case	_	_
12	space	space	NOUN	NN	Number=Sing	10	obl	_	_
13	,	,	PUNCT	,	_	16	punct	_	_
14	above	above	ADP	IN	_	16	case	_	_
15	the	the	DET	DT	Definite=Def|PronType=Art	16	det	_	_
16	air	air	NOUN	NN	Number=Sing	10	obl	_	_
17	,	,	PUNCT	,	_	19	punct	_	_
18	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	19	nsubj	_	_
19	shine	shine	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	2	parataxis	_	Agree=R7-rel-agree|Haiku=2:conj
20	steadily	steadily	ADV	RB	_	19	advmod	_	_
21	.	.	PUNCT	.	_	2	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 | **twinkle** | present | Stars |  |  |  |  |  | vn light\_emission-43.1 «NP V»: agent=Theme |
| 2 | **move** | gerund |  |  |  |  |  |  | vn roll-51.3.1 «NP.theme V»: agent=Theme |
| 3 | **bend** | present | moving air | Stars's light |  |  |  |  | vn knead-26.5 «NP V NP.material»: agent=Agent light=Material |
| 4 | **see** | participle | Stars *= star* *not said here* |  |  | space |  | above the air | vn comprehend-87.2-1-1 «NP V»: agent=Experiencer |
| 5 | **shine** | present | Stars *= star* |  |  |  |  | steadily *property* | vn light\_emission-43.1 «NP V»: agent=Theme |
| 6 | **light** |  | Stars *= star* |  |  |  |  |  | nom light «phenomenon transitive»: poss=agent |

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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:myths:037-olympiad-how-could-you-check-it.lesson:17`.

**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 ×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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- ← previous: [Olympiad: how could you check it? ★★★, 16](https://md.mova.elamur.ai/free/en/corpora/school/myths/37-olympiad-how-could-you-check-it/16/)
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