---
title: The silverback is the grown-up male leader of a gorilla group; the s… — The ape house: gorillas and chimpanzees · tree and pragmatics
description: The silverback is the grown-up male leader of a gorilla group; the silver hair on his back appears at about 12 years old. Who acts: silverback, silver hair. A sentence of the lesson «The ape house: gorillas and chimpanzees» of the biology course of Mova's primary school with its dependency tree and 
---

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# The ape house: gorillas and chimpanzees, sentence 4

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The silverback is the grown-up male leader of a gorilla group; the silver hair on his back appears at about 12 years old.

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**Who acts:** silverback, silver hair · **What happens:** grow up, be, appear · **To what, where:** grown male leader, old

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This is a sentence of the lesson «The ape house: gorillas and chimpanzees» 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 (silverback, silver hair), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:084-ape-house-gorillas-and-chimpanzees.lesson:4
# text = The silverback is the grown-up male leader of a gorilla group; the silver hair on his back appears at about 12 years old.
# source = school lesson (ours)
# course = biology
# lesson = 084-ape-house-gorillas-and-chimpanzees.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): R4-particle ×1, R7-rel-agree ×1
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	silverback	silverback	NOUN	NN	Number=Sing	9	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	9	cop	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
5	grown	grow	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	9	amod	_	_
6	-	-	PUNCT	HYPH	_	7	punct	_	_
7	up	up	ADP	RP	_	5	compound:prt	_	Agree=R4-particle|Haiku=5:compound
8	male	male	ADJ	JJ	Degree=Pos	9	amod	_	_
9	leader	leader	NOUN	NN	Number=Sing	0	root	_	_
10	of	of	ADP	IN	_	13	case	_	_
11	a	a	DET	DT	Definite=Ind|PronType=Art	13	det	_	_
12	gorilla	gorilla	NOUN	NN	Number=Sing	13	compound	_	_
13	group	group	NOUN	NN	Number=Sing	9	nmod	_	_
14	;	;	PUNCT	:	_	21	punct	_	_
15	the	the	DET	DT	Definite=Def|PronType=Art	17	det	_	_
16	silver	silver	ADJ	JJ	Degree=Pos	17	amod	_	_
17	hair	hair	NOUN	NN	Number=Sing	21	nsubj	_	_
18	on	on	ADP	IN	_	20	case	_	_
19	his	his	PRON	PRP$	Case=Gen|Gender=Masc|Number=Sing|Person=3|Poss=Yes|PronType=Prs	20	nmod:poss	_	_
20	back	back	NOUN	NN	Number=Sing	17	nmod	_	_
21	appears	appear	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	9	parataxis	_	_
22	at	at	ADP	IN	_	25	case	_	_
23	about	about	ADV	RB	_	24	advmod	_	_
24	12	12	NUM	CD	NumForm=Digit|NumType=Card	25	nummod	_	_
25	years	year	NOUN	NNS	Number=Plur	26	obl:unmarked	_	_
26	old	old	ADJ	JJ	Degree=Pos	21	obl	_	Agree=R7-rel-agree|Haiku=21:xcomp
27	.	.	PUNCT	.	_	9	punct	_	_
```

## Pragmatics {#pragmatics}

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- 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 | **grow up** | participle |  |  |  |  |  |  | vn appear-48.1.1 «NP V»: agent=Theme |
| 2 | **is a** | present | the silverback | the grown male leader |  |  |  | of a gorilla group | tree rules |
| 3 | **appear** | present | the silver hair on silverback's back | old |  |  |  |  | vn appear-48.1.1 «NP V»: agent=Theme |

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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:biology:084-ape-house-gorillas-and-chimpanzees.lesson:4`.

**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): R4-particle ×1, 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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- ← previous: [The ape house: gorillas and chimpanzees, 3](https://md.mova.elamur.ai/free/en/corpora/school/biology/84-ape-house-gorillas-and-chimpanzees/3/)
- next →: [The ape house: gorillas and chimpanzees, 5](https://md.mova.elamur.ai/free/en/corpora/school/biology/84-ape-house-gorillas-and-chimpanzees/5/)
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