---
title: Sunlight's ultraviolet rays break dye molecules apart, so curtains a… — Dyes, inks and colouring · tree and pragmatics
description: Sunlight's ultraviolet rays break dye molecules apart, so curtains and posters fade near a window and museums keep the lights low. Who acts: ultraviolet rays, curtains, museums, Sunlight. A sentence of the lesson «Dyes, inks and colouring» of the chemistry course of Mova's primary school with its de
---

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# Dyes, inks and colouring, sentence 19

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Sunlight's ultraviolet rays break dye molecules apart, so curtains and posters fade near a window and museums keep the lights low.

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**Who acts:** ultraviolet rays, curtains, museums, Sunlight · **What happens:** break, fade, keep, ray · **To what, where:** dye molecules, window, lights

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This is a sentence of the lesson «Dyes, inks and colouring» of the chemistry 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 (ultraviolet rays, curtains, museums, Sunlight), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:chemistry:027-dyes-inks-colouring.lesson:19
# text = Sunlight's ultraviolet rays break dye molecules apart, so curtains and posters fade near a window and museums keep the lights low.
# source = school lesson (ours)
# course = chemistry
# lesson = 027-dyes-inks-colouring.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): R5-strong ×2, R6-punct-agree ×1, R7-rel-agree ×2, R8-pos-agree ×1
1	Sunlight	sunlight	PROPN	NNP	Number=Sing	4	nmod:poss	_	Agree=R8-pos-agree|Haiku=4:nmod:poss|HaikuPos=NOUN:NN:Number=Sing
2	's	's	PART	POS	_	1	case	_	_
3	ultraviolet	ultraviolet	ADJ	JJ	Degree=Pos	4	amod	_	Agree=R7-rel-agree|Haiku=4:compound|HaikuPos=NOUN:NN:Number=Sing
4	rays	ray	NOUN	NNS	Number=Plur	5	nsubj	_	_
5	break	break	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	dye	dye	NOUN	NN	Number=Sing	7	compound	_	_
7	molecules	molecule	NOUN	NNS	Number=Plur	5	obj	_	_
8	apart	apart	ADV	RB	_	5	advmod	_	_
9	,	,	PUNCT	,	_	8	punct	_	_
10	so	so	ADV	RB	_	14	advmod	_	_
11	curtains	curtain	NOUN	NNS	Number=Plur	14	nsubj	_	_
12	and	and	CCONJ	CC	_	13	cc	_	_
13	posters	poster	NOUN	NNS	Number=Plur	11	conj	_	_
14	fade	fade	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	conj	_	_
15	near	near	ADP	IN	_	17	case	_	_
16	a	a	DET	DT	Definite=Ind|PronType=Art	17	det	_	_
17	window	window	NOUN	NN	Number=Sing	14	obl	_	_
18	and	and	CCONJ	CC	_	20	cc	_	_
19	museums	museum	NOUN	NNS	Number=Plur	20	nsubj	_	Agree=R5-strong|Haiku=17:nsubj
20	keep	keep	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	conj	_	_
21	the	the	DET	DT	Definite=Def|PronType=Art	22	det	_	_
22	lights	light	NOUN	NNS	Number=Plur	20	obj	_	Agree=R5-strong|Haiku=23:nsubj
23	low	low	ADJ	JJ	Degree=Pos	20	xcomp	_	Agree=R7-rel-agree|Haiku=20:ccomp
24	.	.	PUNCT	.	_	5	punct	_	Agree=R6-punct-agree|Haiku=20:punct
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **break** | present | Sunlight's ultraviolet rays | dye molecules |  |  |  | apart *property* | vn hurt-40.8.3-1-1 «NP V NP»: agent=Experiencer molecule=Patient |
| 2 | **fade** | present | curtains and posters |  |  | a window |  |  | vn other\_cos-45.4 «NP.patient V»: agent=Patient |
| 3 | **keep** | present | museums | the lights |  |  |  | low *property* | vn keep-15.2 «NP V NP»: agent=Agent light=Theme |
| 4 | **ray** |  | Sunlight |  |  |  |  |  | nom ray «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:chemistry:027-dyes-inks-colouring.lesson:19`.

**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): R5-strong ×2, R6-punct-agree ×1, R7-rel-agree ×2, R8-pos-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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