---
title: White sunlight is really a mixture of all the colours, and when it p… — Mirrors, rainbows and the blue sky · tree and pragmatics
description: White sunlight is really a mixture of all the colours, and when it passes through a raindrop or a glass prism each colour bends by a slightly different amount, so they fan out into a rainbow. Who acts: White sunlight, sunlight, colour, colours. A sentence of the lesson «Mirrors, rainbows and the blu
---

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# Mirrors, rainbows and the blue sky, sentence 1

<!-- .ven lang=en -->
White sunlight is really a mixture of all the colours, and when it passes through a raindrop or a glass prism each colour bends by a slightly different amount, so they fan out into a rainbow.

<!-- .vintro -->
**Who acts:** White sunlight, sunlight, colour, colours · **What happens:** be, pass, bend, fan out · **To what, where:** mixture, raindrop, rainbow

<!-- .vabout -->
This is a sentence of the lesson «Mirrors, rainbows and the blue sky» of the physics 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 (White sunlight, sunlight, colour, colours), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:physics:021-mirrors-rainbows-and-the-blue-sky.lesson:1
# text = White sunlight is really a mixture of all the colours, and when it passes through a raindrop or a glass prism each colour bends by a slightly different amount, so they fan out into a rainbow.
# source = school lesson (ours)
# course = physics
# lesson = 021-mirrors-rainbows-and-the-blue-sky.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	White	white	ADJ	JJ	Degree=Pos	2	amod	_	_
2	sunlight	sunlight	NOUN	NN	Number=Sing	6	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
4	really	really	ADV	RB	_	6	advmod	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	mixture	mixture	NOUN	NN	Number=Sing	0	root	_	_
7	of	of	ADP	IN	_	10	case	_	_
8	all	all	DET	PDT	PronType=Tot	10	det:predet	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	colours	colour	NOUN	NNS	Number=Plur	6	nmod	_	_
11	,	,	PUNCT	,	_	25	punct	_	_
12	and	and	CCONJ	CC	_	25	cc	_	_
13	when	when	ADV	WRB	PronType=Int	15	advmod	_	_
14	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	15	nsubj	_	_
15	passes	pass	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	25	advcl	_	_
16	through	through	ADP	IN	_	18	case	_	_
17	a	a	DET	DT	Definite=Ind|PronType=Art	18	det	_	_
18	raindrop	raindrop	NOUN	NN	Number=Sing	15	obl	_	_
19	or	or	CCONJ	CC	_	22	cc	_	_
20	a	a	DET	DT	Definite=Ind|PronType=Art	22	det	_	_
21	glass	glass	NOUN	NN	Number=Sing	22	compound	_	Agree=R7-rel-agree|Haiku=22:amod|HaikuPos=ADJ:JJ:Degree=Pos
22	prism	prism	NOUN	NN	Number=Sing	18	conj	_	_
23	each	each	DET	DT	PronType=Tot	24	det	_	_
24	colour	colour	NOUN	NN	Number=Sing	25	nsubj	_	_
25	bends	bend	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	conj	_	_
26	by	by	ADP	IN	_	30	case	_	_
27	a	a	DET	DT	Definite=Ind|PronType=Art	30	det	_	_
28	slightly	slightly	ADV	RB	_	29	advmod	_	_
29	different	different	ADJ	JJ	Degree=Pos	30	amod	_	_
30	amount	amount	NOUN	NN	Number=Sing	25	obl	_	_
31	,	,	PUNCT	,	_	34	punct	_	_
32	so	so	ADV	RB	_	34	advmod	_	_
33	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	34	nsubj	_	_
34	fan	fan	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	25	conj	_	_
35	out	out	ADP	RP	_	34	compound:prt	_	Agree=R7-rel-agree|Haiku=34:advmod|HaikuPos=ADV:RB:_
36	into	into	ADP	IN	_	38	case	_	_
37	a	a	DET	DT	Definite=Ind|PronType=Art	38	det	_	_
38	rainbow	rainbow	NOUN	NN	Number=Sing	34	obl	_	_
39	.	.	PUNCT	.	_	6	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 | **is a** | present | White sunlight | a mixture |  |  |  | of all colours | tree rules |
| 2 | **pass** | present | sunlight |  |  | a raindrop or a glass prism |  |  | vn occur-48.3-1 «NP V PP»: agent=Theme through raindrop=Location |
| 3 | **bend** | present | each colour |  |  |  |  | by a different amount | vn assuming\_position-50 «NP V PP.location»: agent=Agent by amount=Location |
| 4 | **fan out** | present | colours *= colour* |  |  | a rainbow |  |  | tree rules |

<!-- .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:physics:021-mirrors-rainbows-and-the-blue-sky.lesson:1`.

**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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