---
title: Select the response consistent with the established facts concerning… — Ducks, geese and farm myths · tree and pragmatics
description: Select the response consistent with the established facts concerning the ostrich and the concealment of its head. Exam question 4 of lesson 213 «Ducks, geese and farm myths» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mo
---

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# Exam question 4 · Ducks, geese and farm myths

<!-- .ven lang=en -->
Select the response consistent with the established facts concerning the ostrich and the concealment of its head.

<!-- .vintro -->
**Mova's choice:** option 4 · **The right answer:** option 4 · right ✓ · **Who acts:** you, established facts · **What happens:** select, establish, concern, conceal · **To what, where:** response, ostrich, head

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This is exam question 4 of lesson 213 «Ducks, geese and farm myths» of the biology course of Mova's primary school, asked in stiff, formal language. 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/213-ducks-geese-and-farm-myths/#e4).

## The question {#question}

```conllu
# sent_id = question:biology:213-ducks-geese-and-farm-myths:e4:1
# text = Select the response consistent with the established facts concerning the ostrich and the concealment of its head.
1	Select	select	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	response	response	NOUN	NN	Number=Sing	1	obj	_	_
4	consistent	consistent	ADJ	JJ	Degree=Pos	1	xcomp	_	_
5	with	with	ADP	IN	_	8	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
7	established	establish	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	8	amod	_	_
8	facts	fact	NOUN	NNS	Number=Plur	4	obl	_	_
9	concerning	concern	VERB	VBG	VerbForm=Ger	8	acl	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	ostrich	ostrich	NOUN	NN	Number=Sing	9	obj	_	_
12	and	and	CCONJ	CC	_	14	cc	_	_
13	the	the	DET	DT	Definite=Def|PronType=Art	14	det	_	_
14	concealment	concealment	NOUN	NN	Number=Sing	11	conj	_	_
15	of	of	ADP	IN	_	17	case	_	_
16	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	17	nmod:poss	_	_
17	head	head	NOUN	NN	Number=Sing	14	nmod	_	SpaceAfter=No
18	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **select** | imperative | you *not said here* | the response |  |  |  | consistent *property* | vn obtain-13.5.2 «NP V NP»: agent=Agent response=Theme |
| 2 | **establish** | participle |  |  |  |  |  |  | vn indicate-78-1-1 «NP V NP to be NP»: agent=Pivot |
| 3 | **concern** | gerund | the established facts *not said here* | the ostrich and the concealment of concealment's head |  |  |  |  | vn amuse-31.1 «NP V NP»: agent=Stimulus ostrich=Experiencer |
| 4 | **conceal** |  |  | concealment's head |  |  |  |  | nom concealment «state transitive»: of=patient |

<!-- .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 {#o1}

<!-- .ven lang=en -->
Ostriches sleep with their heads beneath the sand

```conllu
# sent_id = question:biology:213-ducks-geese-and-farm-myths:e4:o1:1
# text = Ostriches sleep with their heads beneath the sand
1	Ostriches	ostrich	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	sleep	sleep	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	with	with	ADP	IN	_	5	case	_	_
4	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	5	nmod:poss	_	_
5	heads	head	NOUN	NNS	Number=Plur	2	obl	_	_
6	beneath	beneath	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	sand	sand	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **sleep** | present | Ostriches |  |  |  |  | with Ostriches's heads; beneath the sand | vn snooze-40.4-1 «NP V»: agent=Agent |

### Option 2 {#o2}

<!-- .ven lang=en -->
Ostriches bury their heads whenever danger approaches, remaining so until the danger has departed

<!-- fold The tree, 14 words -->
```conllu
# sent_id = question:biology:213-ducks-geese-and-farm-myths:e4:o2:1
# text = Ostriches bury their heads whenever danger approaches, remaining so until the danger has departed
1	Ostriches	ostrich	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	bury	bury	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	4	nmod:poss	_	_
4	heads	head	NOUN	NNS	Number=Plur	2	obj	_	_
5	whenever	whenever	ADV	WRB	PronType=Rel	7	advmod	_	_
6	danger	danger	NOUN	NN	Number=Sing	7	compound	_	_
7	approaches	approach	NOUN	NNS	Number=Plur	2	obl	_	SpaceAfter=No
8	,	,	PUNCT	,	_	9	punct	_	_
9	remaining	remain	VERB	VBG	Tense=Pres|VerbForm=Part	2	advcl	_	_
10	so	so	ADV	RB	_	9	advmod	_	_
11	until	until	SCONJ	IN	_	15	mark	_	_
12	the	the	DET	DT	Definite=Def|PronType=Art	13	det	_	_
13	danger	danger	NOUN	NN	Number=Sing	15	nsubj:pass	_	_
14	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	15	aux	_	_
15	departed	depart	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	9	advcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **bury** | present | Ostriches | Ostriches's heads |  |  |  | danger approaches *obl* | vn put-9.1-1 «NP V NP»: agent=Agent head=Theme |
| 2 | **remain** | gerund | Ostriches *not said here* |  |  |  |  |  | vn exist-47.1 «NP V»: agent=Theme |
| 3 | **depart** | present · perfect · passive |  | the danger |  |  |  |  | vn escape-51.1-1-1 «NP V NP»: subject=Initial\_Location |

### Option 3 {#o3}

<!-- .ven lang=en -->
Ostriches consume sand as their principal food

```conllu
# sent_id = question:biology:213-ducks-geese-and-farm-myths:e4:o3:1
# text = Ostriches consume sand as their principal food
1	Ostriches	ostrich	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	consume	consume	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	sand	sand	NOUN	NN	Number=Sing	2	obj	_	_
4	as	as	ADP	IN	_	7	case	_	_
5	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	7	nmod:poss	_	_
6	principal	principal	ADJ	JJ	Degree=Pos	7	amod	_	_
7	food	food	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **consume** | present | Ostriches | sand |  |  |  | as Ostriches's principal food | vn consume-66 «NP V NP»: agent=Agent sand=Asset |

### Option 4 · ← Mova's choice · ✓ the right answer {#o4}

<!-- .ven lang=en -->
Ostriches do not bury their heads, but lie flat to hide and attend to eggs in a ground nest

<!-- fold The tree, 19 words -->
```conllu
# sent_id = question:biology:213-ducks-geese-and-farm-myths:e4:o4:1
# text = Ostriches do not bury their heads, but lie flat to hide and attend to eggs in a ground nest
1	Ostriches	ostrich	NOUN	NNS	Number=Plur	4	nsubj	_	_
2	do	do	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	aux	_	_
3	not	not	PART	RB	Polarity=Neg	4	advmod	_	_
4	bury	bury	VERB	VB	VerbForm=Inf	0	root	_	_
5	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	6	nmod:poss	_	_
6	heads	head	NOUN	NNS	Number=Plur	4	obj	_	SpaceAfter=No
7	,	,	PUNCT	,	_	9	punct	_	_
8	but	but	CCONJ	CC	_	9	cc	_	_
9	lie	lie	VERB	VB	VerbForm=Inf	4	conj	_	_
10	flat	flat	ADJ	JJ	Degree=Pos	9	xcomp	_	_
11	to	to	PART	TO	_	12	mark	_	_
12	hide	hide	VERB	VB	VerbForm=Inf	9	advcl	_	_
13	and	and	CCONJ	CC	_	14	cc	_	_
14	attend	attend	VERB	VB	VerbForm=Inf	4	conj	_	_
15	to	to	ADP	IN	_	16	case	_	_
16	eggs	egg	NOUN	NNS	Number=Plur	14	obl	_	_
17	in	in	ADP	IN	_	20	case	_	_
18	a	a	DET	DT	Definite=Ind|PronType=Art	20	det	_	_
19	ground	ground	NOUN	NN	Number=Sing	20	compound	_	_
20	nest	nest	NOUN	NN	Number=Sing	14	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **bury** | present · do-support | Ostriches | Ostriches's heads |  |  |  |  | vn put-9.1-1 «NP V NP»: agent=Agent head=Theme |
| 2 | **lie** | infinitive | Ostriches *not said here* |  |  |  |  | flat *property* | vn assuming\_position-50 «NP V»: agent=Agent |
| 3 | **hide** | to-infinitive | Ostriches *not said here* |  |  |  |  |  | vn concealment-16-1 «NP V»: agent=Agent |
| 4 | **attend** | infinitive | Ostriches *not said here* |  |  | a ground nest |  | to eggs | vn caring-75.2-1-1 «NP V PP»: agent=Agent to egg=Theme |

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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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