---
title: Tea's colour substances change in acid: lemon makes tea paler, and b… — Indicators: the red-cabbage rainbow · tree and pragmatics
description: Tea's colour substances change in acid: lemon makes tea paler, and baking soda makes it darker. Who acts: colour substances, change, baking soda. 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 pragmatic
---

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# Indicators: the red-cabbage rainbow, sentence 13

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Tea's colour substances change in acid: lemon makes tea paler, and baking soda makes it darker.

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**Who acts:** colour substances, change, baking soda · **What happens:** change, make · **To what, where:** acid, tea, substance

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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 (colour substances, change, baking soda), 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:13
# text = Tea's colour substances change in acid: lemon makes tea paler, and baking soda makes it darker.
# 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 ×2, R6-punct-agree ×1, R7-rel-agree ×2
1	Tea	tea	NOUN	NN	Number=Sing	4	nmod:poss	_	Agree=R5-strong|Haiku=5:nmod:poss
2	's	's	PART	POS	_	1	case	_	_
3	colour	colour	NOUN	NN	Number=Sing	4	compound	_	_
4	substances	substance	NOUN	NNS	Number=Plur	5	nsubj	_	Agree=R7-rel-agree|Haiku=5:compound
5	change	change	NOUN	NN	Number=Sing	10	nsubj	_	_
6	in	in	ADP	IN	_	7	case	_	_
7	acid	acid	NOUN	NN	Number=Sing	5	obl	_	Agree=R7-rel-agree|Haiku=5:nmod
8	:	:	PUNCT	:	_	9	punct	_	_
9	lemon	lemon	NOUN	NN	Number=Sing	10	nsubj	_	Agree=R5-strong|Haiku=7:conj
10	makes	make	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
11	tea	tea	NOUN	NN	Number=Sing	10	obj	_	_
12	paler	pale	ADJ	JJR	Degree=Cmp	10	xcomp	_	_
13	,	,	PUNCT	,	_	17	punct	_	_
14	and	and	CCONJ	CC	_	17	cc	_	_
15	baking	bake	NOUN	NN	Number=Sing	16	compound	_	_
16	soda	soda	NOUN	NN	Number=Sing	17	nsubj	_	_
17	makes	make	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	10	conj	_	_
18	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	17	obj	_	_
19	darker	dark	ADJ	JJR	Degree=Cmp	17	xcomp	_	_
20	.	.	PUNCT	.	_	5	punct	_	Agree=R6-punct-agree|Haiku=10: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 | **change** |  | Tea's colour substances |  |  | acid |  |  | tree rules |
| 2 | **make** | present | change | tea |  |  |  | pale *property* | vn build-26.1-1 «NP.asset V NP»: agent=Asset tea=Product |
| 3 | **make** | present | baking soda | substance |  |  |  | dark *property* | vn build-26.1-1 «NP.asset V NP»: agent=Asset it=Product |

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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:13`.

**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. **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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