---
title: Every zebra has its own stripe pattern, and the best evidence says t… — Horses, zebras and donkeys · tree and pragmatics
description: Every zebra has its own stripe pattern, and the best evidence says the stripes help keep biting flies from landing. Who acts: zebra, best evidence, stripes, distance. A sentence of the lesson «Horses, zebras and donkeys» of the biology course of Mova's primary school with its dependency tree and the
---

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# Horses, zebras and donkeys, sentence 11

<!-- .ven lang=en -->
Every zebra has its own stripe pattern, and the best evidence says the stripes help keep biting flies from landing.

<!-- .vintro -->
**Who acts:** zebra, best evidence, stripes, distance · **What happens:** have, say, help, keep, bite, pattern · **To what, where:** own stripe pattern, biting flies, landing · **Speech:** someone speaks here

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This is a sentence of the lesson «Horses, zebras and donkeys» 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 (zebra, best evidence, stripes, distance), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:025-horses-zebras-and-donkeys.lesson:11
# text = Every zebra has its own stripe pattern, and the best evidence says the stripes help keep biting flies from landing.
# source = school lesson (ours)
# course = biology
# lesson = 025-horses-zebras-and-donkeys.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 ×2
1	Every	every	DET	DT	PronType=Tot	2	det	_	_
2	zebra	zebra	NOUN	NN	Number=Sing	3	nsubj	_	_
3	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	7	nmod:poss	_	_
5	own	own	ADJ	JJ	Degree=Pos	7	amod	_	_
6	stripe	stripe	NOUN	NN	Number=Sing	7	compound	_	_
7	pattern	pattern	NOUN	NN	Number=Sing	3	obj	_	_
8	,	,	PUNCT	,	_	13	punct	_	_
9	and	and	CCONJ	CC	_	13	cc	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
11	best	good	ADJ	JJS	Degree=Sup	12	amod	_	_
12	evidence	evidence	NOUN	NN	Number=Sing	13	nsubj	_	_
13	says	say	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
14	the	the	DET	DT	Definite=Def|PronType=Art	15	det	_	_
15	stripes	stripe	NOUN	NNS	Number=Plur	16	nsubj	_	_
16	help	help	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	13	ccomp	_	_
17	keep	keep	VERB	VB	VerbForm=Inf	16	xcomp	_	_
18	biting	bite	VERB	VBG	VerbForm=Ger	19	amod	_	Agree=R5-strong|Haiku=17:xcomp
19	flies	fly	NOUN	NNS	Number=Plur	17	obj	_	Agree=R5-strong|Haiku=18:obj
20	from	from	ADP	IN	_	21	case	_	_
21	landing	landing	NOUN	NN	Number=Sing	19	nmod	_	_
22	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- 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 | every zebra | distance's own stripe pattern |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent pattern=Patient |
| 2 | **say** *speech: assert* | present | the best evidence |  |  |  |  |  | vn say-37.7-1-1 «NP V that S»: agent=Agent clause=Topic |
| 3 | **help** | present | the stripes |  |  |  |  |  | vn help-72.1-1-1 «NP V NP S\_INF»: agent=Agent clause=Theme |
| 4 | **keep** | infinitive | the stripes *not said here* |  | biting flies | landing |  |  | vn forbid-64.4 «NP V NP PP.theme»: agent=Causer fly=Beneficiary from landing=Eventuality |
| 5 | **bite** | gerund |  |  |  |  |  |  | vn swat-18.2 «NP V PP»: agent=Agent |
| 6 | **pattern** |  | distance |  |  |  |  |  | nom pattern «cognition intransitive»: poss=agent |

<!-- .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:025-horses-zebras-and-donkeys.lesson:11`.

**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 ×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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