---
title: Ascertain the conduct of the ostrich when it seeks concealment. — The savanna: grass, trees and the grea… · tree and pragmatics
description: Ascertain the conduct of the ostrich when it seeks concealment. Exam question 4 of lesson 4 «The savanna: grass, trees and the great herds» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was wrong.
---

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# Exam question 4 · The savanna: grass, trees and the great herds

<!-- .ven lang=en -->
Ascertain the conduct of the ostrich when it seeks concealment.

<!-- .vintro -->
**Mova's choice:** option 4 · **The right answer:** option 3 · wrong ✗ · **Who acts:** you, conduct · **What happens:** ascertain, seek, conduct · **To what, where:** conduct, concealment, ostrich

<!-- .vabout -->
This is exam question 4 of lesson 4 «The savanna: grass, trees and the great herds» 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/4-the-savanna/#e4).

## The question {#question}

```conllu
# sent_id = question:biology:4-the-savanna:e4:1
# text = Ascertain the conduct of the ostrich when it seeks concealment.
1	Ascertain	ascertain	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	conduct	conduct	NOUN	NN	Number=Sing	1	obj	_	_
4	of	of	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	ostrich	ostrich	NOUN	NN	Number=Sing	3	nmod	_	_
7	when	when	SCONJ	WRB	_	9	mark	_	_
8	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	9	nsubj	_	_
9	seeks	seek	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	1	advcl	_	_
10	concealment	concealment	NOUN	NN	Number=Sing	9	obj	_	SpaceAfter=No
11	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **ascertain** | imperative | you *not said here* | the conduct of the ostrich |  |  |  |  | vn discover-84 «NP V NP»: agent=Agent conduct=Topic |
| 2 | **seek** | present | conduct | concealment |  |  |  |  | vn hunt-35.1 «NP V NP»: agent=Agent concealment=Theme |
| 3 | **conduct** |  |  | the ostrich |  |  |  |  | nom conduct «act 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 -->
The ostrich conceals its head beneath a wing

```conllu
# sent_id = question:biology:4-the-savanna:e4:o1:1
# text = The ostrich conceals its head beneath a wing
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	ostrich	ostrich	NOUN	NN	Number=Sing	3	nsubj	_	_
3	conceals	conceal	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	5	nmod:poss	_	_
5	head	head	NOUN	NN	Number=Sing	3	obj	_	_
6	beneath	beneath	ADP	IN	_	8	case	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
8	wing	wing	NOUN	NN	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **conceal** | present | the ostrich | ostrich's head |  | a wing |  |  | vn concealment-16 «NP V NP PP.location»: agent=Agent head=Patient beneath wing=Location |

### Option 2 {#o2}

<!-- .ven lang=en -->
The ostrich ascends a tree

```conllu
# sent_id = question:biology:4-the-savanna:e4:o2:1
# text = The ostrich ascends a tree
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	ostrich	ostrich	NOUN	NN	Number=Sing	3	nsubj	_	_
3	ascends	ascend	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
5	tree	tree	NOUN	NN	Number=Sing	3	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **ascend** | present | the ostrich | a tree |  |  |  |  | vn escape-51.1-1-3 «NP V NP»: agent=Theme tree=Trajectory |

### Option 3 · ✓ the right answer {#o3}

<!-- .ven lang=en -->
The ostrich lays its head and neck flat upon the ground

```conllu
# sent_id = question:biology:4-the-savanna:e4:o3:1
# text = The ostrich lays its head and neck flat upon the ground
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	ostrich	ostrich	NOUN	NN	Number=Sing	3	nsubj	_	_
3	lays	lay	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	5	nmod:poss	_	_
5	head	head	NOUN	NN	Number=Sing	3	obj	_	_
6	and	and	CCONJ	CC	_	7	cc	_	_
7	neck	neck	NOUN	NN	Number=Sing	5	conj	_	_
8	flat	flat	ADJ	JJ	Degree=Pos	3	xcomp	_	_
9	upon	upon	ADP	IN	_	11	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	ground	ground	NOUN	NN	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **lay** | present | the ostrich | ostrich's head and neck |  | the ground |  | flat *property* | vn put\_spatial-9.2 «NP V NP PP.destination»: agent=Agent head=Theme upon ground=Destination |

### Option 4 · ← Mova's choice {#o4}

<!-- .ven lang=en -->
The ostrich buries its head beneath the sand

```conllu
# sent_id = question:biology:4-the-savanna:e4:o4:1
# text = The ostrich buries its head beneath the sand
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	ostrich	ostrich	NOUN	NN	Number=Sing	3	nsubj	_	_
3	buries	bury	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	5	nmod:poss	_	_
5	head	head	NOUN	NN	Number=Sing	3	obj	_	_
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	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **bury** | present | the ostrich | ostrich's head |  | the sand |  |  | vn put-9.1-1 «NP V NP PP.destination»: agent=Agent head=Theme beneath sand=Destination |

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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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- ← previous: [The savanna: grass, trees and the grea…, exam 3](https://md.mova.elamur.ai/free/en/corpora/questions/biology/4-the-savanna/e3/)
- next →: [The desert: living with little water, test 1](https://md.mova.elamur.ai/free/en/corpora/questions/biology/5-the-desert/t1/)
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