---
title: «my uncle saw an ostrich with its head in the ground at the safari p… — Myth check: do ostriches bury their he… · tree and pragmatics
description: «my uncle saw an ostrich with its head in the ground at the safari park, so the myth's real innit» What is right? Test 2 of lesson 151 «Myth check: do ostriches bury their heads in the sand?» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and 
---

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# Test 2 · Myth check: do ostriches bury their heads in the sand?

<!-- .ven lang=en -->
«my uncle saw an ostrich with its head in the ground at the safari park, so the myth's real innit» What is right?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** uncle · **What happens:** see, be · **To what, where:** ostrich, ground · **Speech:** someone speaks here

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This is test 2 of lesson 151 «Myth check: do ostriches bury their heads in the sand?» of the biology course of Mova's primary school. The page gives the question's syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause, then the 4 options as the student saw them, each with its tree and pragmatics. Every text is parsed by Mova itself. How the student answered it, with the score of every option and why: [the test at school](https://md.mova.elamur.ai/free/en/school-run/biology/151-ostriches-and-heads-in-the-sand/#t2).

## The question {#question}

```conllu
# sent_id = question:biology:151-ostriches-and-heads-in-the-sand:t2:1
# text = «my uncle saw an ostrich with its head in the ground at the safari park, so the myth's real innit» What is right?
1	«	«	PUNCT	``	_	4	punct	_	SpaceAfter=No
2	my	my	PRON	PRP$	Case=Gen|Number=Sing|Person=1|Poss=Yes|PronType=Prs	3	nmod:poss	_	_
3	uncle	uncle	NOUN	NN	Number=Sing	4	nsubj	_	_
4	saw	see	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
5	an	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	ostrich	ostrich	NOUN	NN	Number=Sing	4	obj	_	_
7	with	with	ADP	IN	_	9	case	_	_
8	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	9	nmod:poss	_	_
9	head	head	NOUN	NN	Number=Sing	6	nmod	_	_
10	in	in	ADP	IN	_	12	case	_	_
11	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
12	ground	ground	NOUN	NN	Number=Sing	4	obl	_	_
13	at	at	ADP	IN	_	16	case	_	_
14	the	the	DET	DT	Definite=Def|PronType=Art	16	det	_	_
15	safari	safari	NOUN	NN	Number=Sing	16	compound	_	_
16	park	park	NOUN	NN	Number=Sing	12	nmod	_	SpaceAfter=No
17	,	,	PUNCT	,	_	23	punct	_	_
18	so	so	ADV	RB	_	23	advmod	_	_
19	the	the	DET	DT	Definite=Def|PronType=Art	20	det	_	_
20	myth	myth	NOUN	NN	Number=Sing	23	nmod:poss	_	SpaceAfter=No
21	's	's	PART	POS	_	20	case	_	_
22	real	real	ADJ	JJ	Degree=Pos	23	amod	_	_
23	innit	innit	NOUN	NN	Number=Sing	4	parataxis	_	SpaceAfter=No
24	»	»	PUNCT	''	_	23	punct	_	_
25	What	what	PRON	WP	PronType=Int	27	nsubj	_	_
26	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	27	cop	_	_
27	right	right	ADJ	JJ	Degree=Pos	4	ccomp	_	SpaceAfter=No
28	?	?	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **see** *in a quote* | past | my uncle | a ostrich |  | the ground at the safari park |  | with ostrich's head | vn comprehend-87.2-1-1 «NP V NP»: agent=Experiencer ostrich=Stimulus |
| 2 | **is** | present |  |  |  |  |  | right *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.

## The options {#options}

### Option 1 · ← Mova's choice · ✓ the right answer {#o1}

<!-- .ven lang=en -->
It was probably turning its eggs in the nest pit, which looks like that from far away

<!-- fold The tree, 17 words -->
```conllu
# sent_id = question:biology:151-ostriches-and-heads-in-the-sand:t2:o1:1
# text = It was probably turning its eggs in the nest pit, which looks like that from far away
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj	_	_
2	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	4	aux	_	_
3	probably	probably	ADV	RB	_	4	advmod	_	_
4	turning	turn	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
5	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	6	nmod:poss	_	_
6	eggs	egg	NOUN	NNS	Number=Plur	4	obj	_	_
7	in	in	ADP	IN	_	10	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
9	nest	nest	NOUN	NN	Number=Sing	10	compound	_	_
10	pit	pit	NOUN	NN	Number=Sing	4	obl	_	SpaceAfter=No
11	,	,	PUNCT	,	_	13	punct	_	_
12	which	which	PRON	WDT	PronType=Rel	13	nsubj	_	_
13	looks	look	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	10	acl:relcl	_	_
14	like	like	ADP	IN	_	15	case	_	_
15	that	that	PRON	DT	Number=Sing|PronType=Dem	13	obl	_	_
16	from	from	ADP	IN	_	17	case	_	_
17	far	far	ADV	RB	Degree=Pos	13	advmod	_	_
18	away	away	ADV	RB	_	17	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **turn** | past · progressive | It | its eggs |  |  |  | in the nest pit; probably *property* | vn crane-40.3.2 «NP V NP PP.recipient PP.theme»: agent=Agent egg=Patient in pit=Topic |
| 2 | **look** | present | the nest pit |  |  |  |  | like the nest pit; far *property* | vn stimulus\_subject-30.4 «NP V PP.attribute»: agent=Stimulus |

### Option 2 {#o2}

<!-- .ven lang=en -->
Yes, so the myth is true

```conllu
# sent_id = question:biology:151-ostriches-and-heads-in-the-sand:t2:o2:1
# text = Yes, so the myth is true
1	Yes	yes	INTJ	UH	Polarity=Pos	7	discourse	_	SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	_	_
3	so	so	ADV	RB	_	7	advmod	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	myth	myth	NOUN	NN	Number=Sing	7	nsubj	_	_
6	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	cop	_	_
7	true	true	ADJ	JJ	Degree=Pos	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | the myth |  |  |  |  | true *property* | tree rules |

### Option 3 {#o3}

<!-- .ven lang=en -->
It was eating the sand for lunch, because ostriches need sand to make their eggshells

<!-- fold The tree, 15 words -->
```conllu
# sent_id = question:biology:151-ostriches-and-heads-in-the-sand:t2:o3:1
# text = It was eating the sand for lunch, because ostriches need sand to make their eggshells
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	3	aux	_	_
3	eating	eat	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	sand	sand	NOUN	NN	Number=Sing	3	obj	_	_
6	for	for	ADP	IN	_	7	case	_	_
7	lunch	lunch	NOUN	NN	Number=Sing	3	obl	_	SpaceAfter=No
8	,	,	PUNCT	,	_	11	punct	_	_
9	because	because	SCONJ	IN	_	11	mark	_	_
10	ostriches	ostrich	NOUN	NNS	Number=Plur	11	nsubj	_	_
11	need	need	VERB	VBP	Mood=Ind|Number=Plur|Person=1|Tense=Pres|VerbForm=Fin	3	conj	_	_
12	sand	sand	NOUN	NN	Number=Sing	11	obj	_	_
13	to	to	PART	TO	_	14	mark	_	_
14	make	make	VERB	VB	VerbForm=Inf	11	advcl	_	_
15	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	16	nmod:poss	_	_
16	eggshells	eggshell	NOUN	NNS	Number=Plur	14	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **eat** | past · progressive | It | the sand |  |  |  | for lunch | vn eat-39.1-1 «NP V NP»: agent=Agent sand=Patient |
| 2 | **need** | present | ostriches | sand |  |  |  |  | vn want-32.1-1-1 «NP V NP ADV»: agent=Pivot sand=Theme |
| 3 | **make** | to-infinitive | ostriches *not said here* | ostriches's eggshells |  |  |  |  | vn build-26.1-1 «NP.asset V NP»: agent=Asset eggshell=Product |

### Option 4 {#o4}

<!-- .ven lang=en -->
It was hiding from your uncle

```conllu
# sent_id = question:biology:151-ostriches-and-heads-in-the-sand:t2:o4:1
# text = It was hiding from your uncle
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	3	aux	_	_
3	hiding	hide	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
4	from	from	ADP	IN	_	6	case	_	_
5	your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	6	nmod:poss	_	_
6	uncle	uncle	NOUN	NN	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **hide** | past · progressive | It |  |  |  |  | from your uncle | vn concealment-16-1 «NP V PP.beneficiary»: agent=Agent from uncle=Beneficiary |

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**Text:** the tests of Mova's primary school, written for Mova (`world/data/school/`), as the course runner gave them to the student. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each text read on its own. Elamur Cosmic License.

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