---
title: A baby's head is about a quarter of its length, but a grown-up's hea… — Growing up: growth spurts, height, voices and ge… · tree and pragmatics
description: A baby's head is about a quarter of its length, but a grown-up's head is only about an eighth of their height. Who acts: head. A sentence of the lesson «Growing up: growth spurts, height, voices and getting stronger» of the biology course of Mova's primary school with its dependency tree and the pra
---

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# Growing up: growth spurts, height, voices and getting stronger, sentence 12

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A baby's head is about a quarter of its length, but a grown-up's head is only about an eighth of their height.

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**Who acts:** head · **What happens:** be, grow · **To what, where:** quarter, eighth

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This is a sentence of the lesson «Growing up: growth spurts, height, voices and getting stronger» 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 (head), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:361-growing-up-growth-spurts-height-voices-and-getting-stronger.lesson:12
# text = A baby's head is about a quarter of its length, but a grown-up's head is only about an eighth of their height.
# source = school lesson (ours)
# course = biology
# lesson = 361-growing-up-growth-spurts-height-voices-and-getting-stronger.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 ×1
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	baby	baby	NOUN	NN	Number=Sing	4	nmod:poss	_	_
3	's	's	PART	POS	_	2	case	_	_
4	head	head	NOUN	NN	Number=Sing	8	nsubj	_	_
5	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	cop	_	_
6	about	about	ADV	RB	_	8	advmod	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
8	quarter	quarter	NOUN	NN	Number=Sing	0	root	_	_
9	of	of	ADP	IN	_	11	case	_	_
10	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	11	nmod:poss	_	_
11	length	length	NOUN	NN	Number=Sing	8	nmod	_	_
12	,	,	PUNCT	,	_	24	punct	_	_
13	but	but	CCONJ	CC	_	24	cc	_	_
14	a	a	DET	DT	Definite=Ind|PronType=Art	17	det	_	_
15	grown	grow	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	17	amod	_	_
16	-	-	PUNCT	HYPH	_	15	punct	_	_
17	up	up	NOUN	NN	Number=Sing	19	nmod:poss	_	_
18	's	's	PART	POS	_	17	case	_	_
19	head	head	NOUN	NN	Number=Sing	24	nsubj	_	_
20	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	24	cop	_	_
21	only	only	ADV	RB	_	24	advmod	_	_
22	about	about	ADV	RB	_	24	advmod	_	Agree=R7-rel-agree|Haiku=24:case|HaikuPos=ADP:IN:_
23	an	a	DET	DT	Definite=Ind|PronType=Art	24	det	_	_
24	eighth	eighth	NOUN	NN	Number=Sing	8	conj	_	_
25	of	of	ADP	IN	_	27	case	_	_
26	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	27	nmod:poss	_	_
27	height	height	NOUN	NN	Number=Sing	24	nmod	_	_
28	.	.	PUNCT	.	_	8	punct	_	_
```

## Pragmatics {#pragmatics}

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

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | a baby's head | a quarter but a eighth |  |  |  | of head's length; about *property* | tree rules |
| 2 | **grow** | participle |  |  |  |  |  |  | vn appear-48.1.1 «NP V»: agent=Theme |
| 3 | **is a** | present | a grown up's head | a eighth |  |  |  | of quarter's height; about *property* | 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:biology:361-growing-up-growth-spurts-height-voices-and-getting-stronger.lesson:12`.

**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 ×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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- next →: [Growing up: growth spurts, height, voi…, 13](https://md.mova.elamur.ai/free/en/corpora/school/biology/361-growing-up-growth-spurts-height-voices-and-getting-stronger/13/)
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