---
title: Universal indicator mixes several dyes, so each pH gets its own colo… — Indicators: the red-cabbage rainbow · tree and pragmatics
description: Universal indicator mixes several dyes, so each pH gets its own colour, a whole rainbow from red to purple. Who acts: Universal indicator, pH. A sentence of the lesson «Indicators: the red-cabbage rainbow» of the chemistry course of Mova's primary school with its dependency tree and the pragmatics o
---

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# Indicators: the red-cabbage rainbow, sentence 6

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Universal indicator mixes several dyes, so each pH gets its own colour, a whole rainbow from red to purple.

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**Who acts:** Universal indicator, pH · **What happens:** mix, get · **To what, where:** several dyes, own colour

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This is a sentence of the lesson «Indicators: the red-cabbage rainbow» 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 (Universal indicator, pH), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:chemistry:017-indicators-the-red-cabbage-rainbow.lesson:6
# text = Universal indicator mixes several dyes, so each pH gets its own colour, a whole rainbow from red to purple.
# source = school lesson (ours)
# course = chemistry
# lesson = 017-indicators-the-red-cabbage-rainbow.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 ×1, R7-rel-agree ×2
1	Universal	universal	ADJ	JJ	Degree=Pos	2	amod	_	_
2	indicator	indicator	NOUN	NN	Number=Sing	3	nsubj	_	Agree=R7-rel-agree|Haiku=3:compound
3	mixes	mix	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	several	several	ADJ	JJ	Degree=Pos	5	amod	_	_
5	dyes	dye	NOUN	NNS	Number=Plur	3	obj	_	_
6	,	,	PUNCT	,	_	10	punct	_	_
7	so	so	ADV	RB	_	10	advmod	_	_
8	each	each	DET	DT	PronType=Tot	9	det	_	_
9	pH	ph	NOUN	NN	Number=Sing	10	nsubj	_	_
10	gets	get	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
11	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	13	nmod:poss	_	_
12	own	own	ADJ	JJ	Degree=Pos	13	amod	_	_
13	colour	colour	NOUN	NN	Number=Sing	10	obj	_	_
14	,	,	PUNCT	,	_	17	punct	_	_
15	a	a	DET	DT	Definite=Ind|PronType=Art	17	det	_	_
16	whole	whole	ADJ	JJ	Degree=Pos	17	amod	_	_
17	rainbow	rainbow	NOUN	NN	Number=Sing	13	appos	_	Agree=R7-rel-agree|Haiku=13:conj
18	from	from	ADP	IN	_	19	case	_	_
19	red	red	ADJ	JJ	Degree=Pos	17	nmod	_	Agree=R5-strong|Haiku=10:obl
20	to	to	ADP	IN	_	21	case	_	_
21	purple	purple	NOUN	NN	Number=Sing	19	conj	_	_
22	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

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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 | **mix** | present | Universal indicator | several dyes |  |  |  |  | vn mix-22.1-1-1 «NP V NP»: agent=Agent dye=Patient |
| 2 | **get** | present | each pH | indicator's own colour |  |  |  |  | vn comprehend-87.2-1 «NP V NP»: agent=Experiencer colour=Stimulus |

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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:chemistry:017-indicators-the-red-cabbage-rainbow.lesson:6`.

**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 ×1, 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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