---
title: Cartoon piranhas turn a cow into a skeleton in seconds; real red-bel… — Rivers, lakes and ponds · tree and pragmatics
description: Cartoon piranhas turn a cow into a skeleton in seconds; real red-bellied piranhas mostly eat insects, fish, worms and plants, feed in groups mainly for safety, and attacks on people are rare and usually just a bite. Who acts: Cartoon piranhas, real bellied piranhas, attacks. A sentence of the lesson
---

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[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/10-rivers-lakes-and-ponds/3/)

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# Rivers, lakes and ponds, sentence 3

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Cartoon piranhas turn a cow into a skeleton in seconds; real red-bellied piranhas mostly eat insects, fish, worms and plants, feed in groups mainly for safety, and attacks on people are rare and usually just a bite.

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**Who acts:** Cartoon piranhas, real bellied piranhas, attacks · **What happens:** turn, belly, eat, feed, be · **To what, where:** cow, skeleton, insects, groups

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This is a sentence of the lesson «Rivers, lakes and ponds» 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 (Cartoon piranhas, real bellied piranhas, attacks), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:010-rivers-lakes-and-ponds.lesson:3
# text = Cartoon piranhas turn a cow into a skeleton in seconds; real red-bellied piranhas mostly eat insects, fish, worms and plants, feed in groups mainly for safety, and attacks on people are rare and usually just a bite.
# source = school lesson (ours)
# course = biology
# lesson = 010-rivers-lakes-and-ponds.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, R6-punct-agree ×1, R7-rel-agree ×2
1	Cartoon	cartoon	NOUN	NN	Number=Sing	2	compound	_	_
2	piranhas	piranha	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	turn	turn	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
5	cow	cow	NOUN	NN	Number=Sing	3	obj	_	_
6	into	into	ADP	IN	_	8	case	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
8	skeleton	skeleton	NOUN	NN	Number=Sing	3	obl	_	_
9	in	in	ADP	IN	_	10	case	_	_
10	seconds	second	NOUN	NNS	Number=Plur	3	obl	_	Agree=R5-strong|Haiku=8:nmod
11	;	;	PUNCT	:	_	18	punct	_	_
12	real	real	ADJ	JJ	Degree=Pos	16	amod	_	_
13	red	red	ADJ	JJ	Degree=Pos	15	compound	_	_
14	-	-	PUNCT	HYPH	_	13	punct	_	_
15	bellied	belly	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	16	amod	_	_
16	piranhas	piranha	NOUN	NNS	Number=Plur	18	nsubj	_	_
17	mostly	mostly	ADV	RB	_	18	advmod	_	_
18	eat	eat	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	parataxis	_	Agree=R7-rel-agree|Haiku=3:conj
19	insects	insect	NOUN	NNS	Number=Plur	18	obj	_	_
20	,	,	PUNCT	,	_	21	punct	_	_
21	fish	fish	NOUN	NNS	Number=Plur	19	conj	_	Agree=R7-rel-agree|Haiku=19:appos|HaikuPos=NOUN:NN:Number=Sing
22	,	,	PUNCT	,	_	23	punct	_	_
23	worms	worm	NOUN	NNS	Number=Plur	19	conj	_	_
24	and	and	CCONJ	CC	_	25	cc	_	_
25	plants	plant	NOUN	NNS	Number=Plur	19	conj	_	_
26	,	,	PUNCT	,	_	27	punct	_	_
27	feed	feed	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	18	conj	_	Agree=R5-strong|Haiku=19:conj
28	in	in	ADP	IN	_	29	case	_	_
29	groups	group	NOUN	NNS	Number=Plur	27	obl	_	_
30	mainly	mainly	ADV	RB	_	18	advmod	_	_
31	for	for	ADP	IN	_	32	case	_	_
32	safety	safety	NOUN	NN	Number=Sing	27	obl	_	Agree=R5-strong|Haiku=18:obl
33	,	,	PUNCT	,	_	39	punct	_	Agree=R6-punct-agree|Haiku=35:punct
34	and	and	CCONJ	CC	_	35	cc	_	_
35	attacks	attack	NOUN	NNS	Number=Plur	39	nsubj	_	_
36	on	on	ADP	IN	_	37	case	_	_
37	people	people	NOUN	NNS	Number=Plur	35	nmod	_	_
38	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	39	cop	_	_
39	rare	rare	ADJ	JJ	Degree=Pos	3	conj	_	_
40	and	and	CCONJ	CC	_	44	cc	_	_
41	usually	usually	ADV	RB	_	44	advmod	_	_
42	just	just	ADV	RB	_	44	advmod	_	_
43	a	a	DET	DT	Definite=Ind|PronType=Art	44	det	_	_
44	bite	bite	NOUN	NN	Number=Sing	39	conj	_	_
45	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: statement
- act: narrate
- 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 | **turn** | present | Cartoon piranhas | a cow |  | a skeleton | second |  | vn roll-51.3.1 «NP V NP PP.trajectory»: agent=Agent cow=Theme into skeleton=Trajectory |
| 2 | **belly** | participle |  |  |  |  |  |  | tree rules |
| 3 | **eat** | present | real bellied piranhas | insects and fish and worms and plants |  |  |  | mainly, mostly *property* | vn eat-39.1-1 «NP V NP»: agent=Agent insect=Patient |
| 4 | **feed** | present | real bellied piranhas *not said here* |  |  | groups |  | for safety | vn fit-54.3 «NP V NP PP.location»: agent=Agent in group=Location |
| 5 | **is** | present | attacks on people |  |  |  |  | rare *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:010-rivers-lakes-and-ponds.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 ×3, 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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