---
title: Ostriches have only two toes on each foot, fewer than any other bird. — Myth check: do ostriches bury their heads in the… · tree and pragmatics
description: Ostriches have only two toes on each foot, fewer than any other bird. Who acts: Ostriches. A sentence of the lesson «Myth check: do ostriches bury their heads in the sand?» of the biology course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Myth check: do ostriches bury their heads in the sand?, sentence 9

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Ostriches have only two toes on each foot, fewer than any other bird.

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**Who acts:** Ostriches · **What happens:** have · **To what, where:** two toes, foot

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This is a sentence of the lesson «Myth check: do ostriches bury their heads in the sand?» 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 (Ostriches), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:151-ostriches-and-heads-in-the-sand.lesson:9
# text = Ostriches have only two toes on each foot, fewer than any other bird.
# source = school lesson (ours)
# course = biology
# lesson = 151-ostriches-and-heads-in-the-sand.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): no change
1	Ostriches	ostrich	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	have	have	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	only	only	ADV	RB	_	4	advmod	_	_
4	two	two	NUM	CD	NumForm=Word|NumType=Card	5	nummod	_	_
5	toes	toe	NOUN	NNS	Number=Plur	2	obj	_	_
6	on	on	ADP	IN	_	8	case	_	_
7	each	each	DET	DT	PronType=Tot	8	det	_	_
8	foot	foot	NOUN	NN	Number=Sing	5	nmod	_	_
9	,	,	PUNCT	,	_	10	punct	_	_
10	fewer	few	ADJ	JJR	Degree=Cmp	5	parataxis	_	_
11	than	than	ADP	IN	_	14	case	_	_
12	any	any	DET	DT	PronType=Ind	14	det	_	_
13	other	other	ADJ	JJ	Degree=Pos	14	amod	_	_
14	bird	bird	NOUN	NN	Number=Sing	10	obl	_	_
15	.	.	PUNCT	.	_	2	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: statement
- act: assert
- 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 | **have** | present | Ostriches | two toes |  | each foot |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent toe=Patient |

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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:151-ostriches-and-heads-in-the-sand.lesson:9`.

**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): no change. **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: [Myth check: do ostriches bury their he…, 8](https://md.mova.elamur.ai/free/en/corpora/school/biology/151-ostriches-and-heads-in-the-sand/8/)
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