---
title: A silverback gorilla beating his chest looks terrifying, but he is m… — The great apes: chimpanzees, bonobos, gorillas,… · tree and pragmatics
description: A silverback gorilla beating his chest looks terrifying, but he is mostly a gentle vegetarian munching about 18 kilograms of leaves a day, and the chest beat is a show that helps avoid real fights. Who acts: silverback gorilla, he, vegetarian show. A sentence of the lesson «The great apes: chimpanze
---

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# The great apes: chimpanzees, bonobos, gorillas, orangutans, sentence 1

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A silverback gorilla beating his chest looks terrifying, but he is mostly a gentle vegetarian munching about 18 kilograms of leaves a day, and the chest beat is a show that helps avoid real fights.

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**Who acts:** silverback gorilla, he, vegetarian show · **What happens:** beat, look, munch, be, help, avoid · **To what, where:** chest, 18 kilograms, vegetarian show, real fights

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This is a sentence of the lesson «The great apes: chimpanzees, bonobos, gorillas, orangutans» 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 gorilla, he, vegetarian show), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:016-the-great-apes.lesson:1
# text = A silverback gorilla beating his chest looks terrifying, but he is mostly a gentle vegetarian munching about 18 kilograms of leaves a day, and the chest beat is a show that helps avoid real fights.
# source = school lesson (ours)
# course = biology
# lesson = 016-the-great-apes.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 ×3, R7-rel-agree ×3
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	silverback	silverback	NOUN	NN	Number=Sing	3	compound	_	_
3	gorilla	gorilla	NOUN	NN	Number=Sing	7	nsubj	_	_
4	beating	beat	VERB	VBG	VerbForm=Ger	3	acl	_	_
5	his	his	PRON	PRP$	Case=Gen|Gender=Masc|Number=Sing|Person=3|Poss=Yes|PronType=Prs	6	nmod:poss	_	_
6	chest	chest	NOUN	NN	Number=Sing	4	obj	_	_
7	looks	look	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
8	terrifying	terrifying	ADJ	JJ	Degree=Pos	7	xcomp	_	_
9	,	,	PUNCT	,	_	7	punct	_	_
10	but	but	CCONJ	CC	_	32	cc	_	_
11	he	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	32	nsubj	_	_
12	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	32	cop	_	_
13	mostly	mostly	ADV	RB	_	32	advmod	_	_
14	a	a	DET	DT	Definite=Ind|PronType=Art	16	det	_	Agree=R5-strong|Haiku=32:det
15	gentle	gentle	ADJ	JJ	Degree=Pos	16	amod	_	Agree=R5-strong|Haiku=32:amod
16	vegetarian	vegetarian	ADJ	JJ	Degree=Pos	32	amod	_	_
17	munching	munch	VERB	VBG	Tense=Pres|VerbForm=Part	16	acl	_	Agree=R7-rel-agree|Haiku=16:advcl
18	about	about	ADV	RB	_	19	advmod	_	Agree=R5-strong|Haiku=20:case|HaikuPos=ADP:IN:_
19	18	18	NUM	CD	NumForm=Digit|NumType=Card	20	nummod	_	_
20	kilograms	kilogram	NOUN	NNS	Number=Plur	17	obj	_	Agree=R7-rel-agree|Haiku=17:obl
21	of	of	ADP	IN	_	22	case	_	_
22	leaves	leaf	NOUN	NNS	Number=Plur	20	nmod	_	Agree=R7-rel-agree|Haiku=20:conj
23	a	a	DET	DT	Definite=Ind|PronType=Art	24	det	_	_
24	day	day	NOUN	NN	Number=Sing	22	nmod:unmarked	_	_
25	,	,	PUNCT	,	_	32	punct	_	_
26	and	and	CCONJ	CC	_	32	cc	_	_
27	the	the	DET	DT	Definite=Def|PronType=Art	29	det	_	_
28	chest	chest	NOUN	NN	Number=Sing	29	compound	_	_
29	beat	beat	NOUN	NN	Number=Sing	32	nsubj	_	_
30	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	32	cop	_	_
31	a	a	DET	DT	Definite=Ind|PronType=Art	32	det	_	_
32	show	show	NOUN	NN	Number=Sing	7	advcl	_	_
33	that	that	PRON	WDT	PronType=Rel	34	nsubj	_	_
34	helps	help	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	32	acl:relcl	_	_
35	avoid	avoid	VERB	VB	VerbForm=Inf	34	xcomp	_	_
36	real	real	ADJ	JJ	Degree=Pos	37	amod	_	_
37	fights	fight	NOUN	NNS	Number=Plur	35	obj	_	_
38	.	.	PUNCT	.	_	7	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
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 | **beat** | gerund | a silverback gorilla *not said here* | his chest |  |  |  |  | vn sound\_emission-43.2 «PP.location V NP»: agent=Location chest=Theme |
| 2 | **look** | present | a silverback gorilla |  |  |  |  | terrifying *property* | vn stimulus\_subject-30.4 «NP V ADJ»: agent=Stimulus |
| 3 | **munch** | gerund |  | 18 kilograms of leaves  a day |  |  |  |  | vn chew-39.2 «NP V NP»: agent=Agent kilogram=Patient |
| 4 | **is a** | present | he | a vegetarian show |  |  |  | mostly *property* | tree rules |
| 5 | **help** | present | a vegetarian show |  |  |  |  |  | vn help-72.1-1-1 «NP V NP S\_INF»: agent=Agent clause=Theme |
| 6 | **avoid** | infinitive | a vegetarian show *not said here* | real fights |  |  |  |  | vn avoid-52 «NP V NP.location»: agent=Agent fight=Location |

<!-- .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:016-the-great-apes.lesson:1`.

**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 ×3, R7-rel-agree ×3. **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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