---
title: Hair colour comes from melanin made in the root; when the colour cel… — Hair: growing, curly and straight, eyebrows, eye… · tree and pragmatics
description: Hair colour comes from melanin made in the root; when the colour cells slow down and stop, new hairs grow in white, and a head of white and dark hairs mixed looks grey. Who acts: Hair colour, colour cells, new hairs, head. A sentence of the lesson «Hair: growing, curly and straight, eyebrows, eyelas
---

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# Hair: growing, curly and straight, eyebrows, eyelashes and going grey, sentence 3

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Hair colour comes from melanin made in the root; when the colour cells slow down and stop, new hairs grow in white, and a head of white and dark hairs mixed looks grey.

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**Who acts:** Hair colour, colour cells, new hairs, head · **What happens:** come, make, slow down, stop, grow, mix · **To what, where:** melanin, root, white, white hairs

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This is a sentence of the lesson «Hair: growing, curly and straight, eyebrows, eyelashes and going grey» of the biology 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 (Hair colour, colour cells, new hairs, head), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:355-hair-growing-curly-and-straight-eyebrows-eyelashes-and-going-grey.lesson:3
# text = Hair colour comes from melanin made in the root; when the colour cells slow down and stop, new hairs grow in white, and a head of white and dark hairs mixed looks grey.
# source = school lesson (ours)
# course = biology
# lesson = 355-hair-growing-curly-and-straight-eyebrows-eyelashes-and-going-grey.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, R8-pos-agree ×1
1	Hair	hair	NOUN	NN	Number=Sing	2	compound	_	_
2	colour	colour	NOUN	NN	Number=Sing	3	nsubj	_	_
3	comes	come	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	from	from	ADP	IN	_	5	case	_	_
5	melanin	melanin	NOUN	NN	Number=Sing	3	obl	_	_
6	made	make	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	5	acl	_	_
7	in	in	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	root	root	NOUN	NN	Number=Sing	6	obl	_	_
10	;	;	PUNCT	:	_	15	punct	_	_
11	when	when	ADV	WRB	PronType=Int	15	advmod	_	_
12	the	the	DET	DT	Definite=Def|PronType=Art	14	det	_	_
13	colour	colour	NOUN	NN	Number=Sing	14	compound	_	_
14	cells	cell	NOUN	NNS	Number=Plur	15	nsubj	_	_
15	slow	slow	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	22	advcl	_	Agree=R5-strong|Haiku=3:parataxis|HaikuPos=VERB:VB:VerbForm=Inf
16	down	down	ADP	RP	_	15	compound:prt	_	_
17	and	and	CCONJ	CC	_	18	cc	_	_
18	stop	stop	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	15	conj	_	Agree=R8-pos-agree|Haiku=15:conj|HaikuPos=VERB:VB:VerbForm=Inf
19	,	,	PUNCT	,	_	22	punct	_	_
20	new	new	ADJ	JJ	Degree=Pos	21	amod	_	_
21	hairs	hair	NOUN	NNS	Number=Plur	22	nsubj	_	_
22	grow	grow	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
23	in	in	ADP	IN	_	24	case	_	_
24	white	white	ADJ	JJ	Degree=Pos	22	obl	_	_
25	,	,	PUNCT	,	_	35	punct	_	_
26	and	and	CCONJ	CC	_	35	cc	_	_
27	a	a	DET	DT	Definite=Ind|PronType=Art	28	det	_	_
28	head	head	NOUN	NN	Number=Sing	35	nsubj	_	_
29	of	of	ADP	IN	_	33	case	_	_
30	white	white	ADJ	JJ	Degree=Pos	33	amod	_	_
31	and	and	CCONJ	CC	_	32	cc	_	_
32	dark	dark	ADJ	JJ	Degree=Pos	30	conj	_	_
33	hairs	hair	NOUN	NNS	Number=Plur	28	nmod	_	_
34	mixed	mix	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	33	acl	_	_
35	looks	look	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	22	conj	_	Agree=R5-strong|Haiku=3:conj
36	grey	grey	ADJ	JJ	Degree=Pos	35	xcomp	_	_
37	.	.	PUNCT	.	_	3	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 | **come** | present | Hair colour |  |  | melanin |  |  | vn escape-51.1-1 «NP V PP.initial\_location»: agent=Theme from melanin=Initial\_Location |
| 2 | **make** | participle |  | melanin *not said here* |  | the root |  |  | vn build-26.1-1 «NP.asset V NP»: agent=Asset |
| 3 | **slow down** | present | the colour cells |  |  |  |  |  | vn other\_cos-45.4 «NP.patient V»: agent=Patient |
| 4 | **stop** | present | the colour cells *not said here* |  |  |  |  |  | vn stop-55.4-1-1 «NP.eventuality V»: agent=Eventuality |
| 5 | **grow** | present | new hairs |  |  | white |  |  | vn appear-48.1.1 «NP V PP.location»: agent=Theme in white=Location |
| 6 | **mix** | participle |  | white hairs *not said here* |  |  |  |  | vn mix-22.1-1-1 «NP V»: agent=Patient |
| 7 | **look** | present | a head of white hairs |  |  |  |  | grey *property* | vn stimulus\_subject-30.4 «NP V ADJ»: agent=Stimulus |

<!-- .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:biology:355-hair-growing-curly-and-straight-eyebrows-eyelashes-and-going-grey.lesson:3`.

**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, 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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