---
title: A hoverfly has wasp-like yellow and black stripes but cannot sting;… — Who eats whom: predators, prey, scavengers and d… · tree and pragmatics
description: A hoverfly has wasp-like yellow and black stripes but cannot sting; copying a dangerous animal's look to fool predators is called mimicry. Who acts: hoverfly, copying. A sentence of the lesson «Who eats whom: predators, prey, scavengers and decomposers» of the biology course of Mova's primary school
---

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# Who eats whom: predators, prey, scavengers and decomposers, sentence 13

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A hoverfly has wasp-like yellow and black stripes but cannot sting; copying a dangerous animal's look to fool predators is called mimicry.

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**Who acts:** hoverfly, copying · **What happens:** have, not sting, copy, fool, call · **To what, where:** like yellow stripes, look, predators, mimicry · **Speech:** someone speaks here

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This is a sentence of the lesson «Who eats whom: predators, prey, scavengers and decomposers» 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 (hoverfly, copying), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:047-predators-prey-scavengers-decomposers.lesson:13
# text = A hoverfly has wasp-like yellow and black stripes but cannot sting; copying a dangerous animal's look to fool predators is called mimicry.
# source = school lesson (ours)
# course = biology
# lesson = 047-predators-prey-scavengers-decomposers.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	hoverfly	hoverfly	NOUN	NN	Number=Sing	3	nsubj	_	_
3	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	wasp	wasp	NOUN	NN	Number=Sing	6	compound	_	_
5	-	-	PUNCT	HYPH	_	6	punct	_	_
6	like	like	ADJ	JJ	Degree=Pos	10	amod	_	_
7	yellow	yellow	ADJ	JJ	Degree=Pos	10	amod	_	_
8	and	and	CCONJ	CC	_	9	cc	_	_
9	black	black	ADJ	JJ	Degree=Pos	7	conj	_	_
10	stripes	stripe	NOUN	NNS	Number=Plur	3	obj	_	_
11	but	but	CCONJ	CC	_	14	cc	_	_
12	can	can	AUX	MD	VerbForm=Fin	14	aux	_	_
13	not	not	PART	RB	Polarity=Neg	14	advmod	_	_
14	sting	sting	VERB	VB	VerbForm=Inf	3	conj	_	_
15	;	;	PUNCT	,	_	16	punct	_	_
16	copying	copy	VERB	VBG	VerbForm=Ger	26	csubj	_	_
17	a	a	DET	DT	Definite=Ind|PronType=Art	19	det	_	_
18	dangerous	dangerous	ADJ	JJ	Degree=Pos	19	amod	_	_
19	animal	animal	NOUN	NN	Number=Sing	21	nmod:poss	_	_
20	's	's	PART	POS	_	19	case	_	_
21	look	look	NOUN	NN	Number=Sing	16	obj	_	_
22	to	to	PART	TO	_	23	mark	_	_
23	fool	fool	VERB	VB	VerbForm=Inf	21	acl	_	_
24	predators	predator	NOUN	NNS	Number=Plur	23	obj	_	_
25	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	26	aux:pass	_	_
26	called	call	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	parataxis	_	Agree=R7-rel-agree|Haiku=3:conj
27	mimicry	mimicry	NOUN	NN	Number=Sing	26	xcomp	_	_
28	.	.	PUNCT	.	_	3	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 | **have** | present | a hoverfly | like yellow stripes |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent stripe=Patient |
| 2 | **not** **sting** | can | a hoverfly *not said here* |  |  |  |  |  | vn amuse-31.1 «NP V ADV-Middle»: agent=Experiencer |
| 3 | **copy** | gerund |  | a dangerous animal's look |  |  |  |  | vn scribble-25.2 «NP V NP»: agent=Agent look=Theme |
| 4 | **fool** | to-infinitive |  | predators |  |  |  |  | vn trick-59.2 «NP V NP»: agent=Agent predator=Patient |
| 5 | **call** *speech: assert* | present · passive | copying | mimicry |  |  |  |  | vn initiate\_communication-37.4.2-1 «NP V» |

<!-- .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:047-predators-prey-scavengers-decomposers.lesson:13`.

**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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