---
title: Identify the principal reason for which wildlife film-makers conceal… — How nature documentaries are made: hid… · tree and pragmatics
description: Identify the principal reason for which wildlife film-makers conceal themselves within hides. Exam question 1 of lesson 394 «How nature documentaries are made: hides, camera traps, drones and years of waiting» of the biology course of Mova's primary school, with the dependency tree and pragmatics of
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/biology/394-how-nature-documentaries-are-made-hides-camera-traps-drones-and-years-of-waiting/e1/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [questions](https://md.mova.elamur.ai/free/en/corpora/questions/) / [Biology](https://md.mova.elamur.ai/free/en/corpora/questions/biology/) / [How nature documentaries are made: hid…](https://md.mova.elamur.ai/free/en/corpora/questions/biology/394-how-nature-documentaries-are-made-hides-camera-traps-drones-and-years-of-waiting/) / e1

# Exam question 1 · How nature documentaries are made: hides, camera traps, dr…

<!-- .ven lang=en -->
Identify the principal reason for which wildlife film-makers conceal themselves within hides.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** you, wildlife film makers · **What happens:** identify, conceal · **To what, where:** principal reason, makers

<!-- .vabout -->
This is exam question 1 of lesson 394 «How nature documentaries are made: hides, camera traps, drones and years of waiting» 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/394-how-nature-documentaries-are-made-hides-camera-traps-drones-and-years-of-waiting/#e1).

## The question {#question}

```conllu
# sent_id = question:biology:394-how-nature-documentaries-are-made-hides-camera-traps-drones-and-years-of-waiting:e1:1
# text = Identify the principal reason for which wildlife film-makers conceal themselves within hides.
1	Identify	identify	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
3	principal	principal	ADJ	JJ	Degree=Pos	4	amod	_	_
4	reason	reason	NOUN	NN	Number=Sing	1	obj	_	_
5	for	for	ADP	IN	_	6	case	_	_
6	which	which	PRON	WDT	PronType=Rel	11	obl	_	_
7	wildlife	wildlife	NOUN	NN	Number=Sing	10	compound	_	_
8	film	film	NOUN	NN	Number=Sing	10	compound	_	SpaceAfter=No
9	-	-	PUNCT	HYPH	_	8	punct	_	SpaceAfter=No
10	makers	maker	NOUN	NNS	Number=Plur	11	nsubj	_	_
11	conceal	conceal	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	acl:relcl	_	_
12	themselves	themselves	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs|Reflex=Yes	11	obj	_	_
13	within	within	ADP	IN	_	14	case	_	_
14	hides	hide	NOUN	NNS	Number=Plur	11	obl	_	SpaceAfter=No
15	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **identify** | imperative | you *not said here* | the principal reason |  |  |  |  | vn characterize-29.2-1-1 «NP V NP S\_ING»: agent=Agent reason=Theme |
| 2 | **conceal** | present | wildlife film makers | makers *= maker* |  |  |  | for the principal reason; within hides | vn concealment-16 «NP V NP»: agent=Agent themselves=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 · ← Mova's choice · ✓ the right answer {#o1}

<!-- .ven lang=en -->
Animals which perceive human beings frequently cease their natural behaviour or take flight

```conllu
# sent_id = question:biology:394-how-nature-documentaries-are-made-hides-camera-traps-drones-and-years-of-waiting:e1:o1:1
# text = Animals which perceive human beings frequently cease their natural behaviour or take flight
1	Animals	animal	NOUN	NNS	Number=Plur	7	nsubj	_	_
2	which	which	PRON	WDT	PronType=Rel	3	nsubj	_	_
3	perceive	perceive	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	1	acl:relcl	_	_
4	human	human	ADJ	JJ	Degree=Pos	5	amod	_	_
5	beings	being	NOUN	NNS	Number=Plur	3	obj	_	_
6	frequently	frequently	ADV	RB	_	7	advmod	_	_
7	cease	cease	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
8	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	10	nmod:poss	_	_
9	natural	natural	ADJ	JJ	Degree=Pos	10	amod	_	_
10	behaviour	behaviour	NOUN	NN	Number=Sing	7	obj	_	_
11	or	or	CCONJ	CC	_	12	cc	_	_
12	take	take	VERB	VB	VerbForm=Inf	7	conj	_	_
13	flight	flight	NOUN	NN	Number=Sing	12	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **perceive** | present | Animals | human beings |  |  |  |  | vn see-30.1-1 «NP V S»: agent=Experiencer being=Stimulus |
| 2 | **cease** | present | Animals | Animals's natural behaviour |  |  |  | frequently *property* | vn stop-55.4-1-1 «NP V NP.eventuality»: agent=Affector behaviour=Eventuality |
| 3 | **take** | infinitive | Animals *not said here* | flight |  |  |  |  | vn bring-11.3 «NP V NP»: agent=Agent flight=Theme |

### Option 2 {#o2}

<!-- .ven lang=en -->
Hides are required principally in order to protect the cameras and other equipment from rainfall

<!-- fold The tree, 15 words -->
```conllu
# sent_id = question:biology:394-how-nature-documentaries-are-made-hides-camera-traps-drones-and-years-of-waiting:e1:o2:1
# text = Hides are required principally in order to protect the cameras and other equipment from rainfall
1	Hides	hide	NOUN	NNS	Number=Plur	3	nsubj:pass	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	aux:pass	_	_
3	required	require	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	principally	principally	ADV	RB	_	3	advmod	_	_
5	in	in	ADP	IN	_	6	case	_	_
6	order	order	NOUN	NN	Number=Sing	3	obl	_	_
7	to	to	PART	TO	_	8	mark	_	_
8	protect	protect	VERB	VB	VerbForm=Inf	3	advcl	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	cameras	camera	NOUN	NNS	Number=Plur	8	obj	_	_
11	and	and	CCONJ	CC	_	13	cc	_	_
12	other	other	ADJ	JJ	Degree=Pos	13	amod	_	_
13	equipment	equipment	NOUN	NN	Number=Sing	10	conj	_	_
14	from	from	ADP	IN	_	15	case	_	_
15	rainfall	rainfall	NOUN	NN	Number=Sing	8	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **require** | present · passive |  | Hides |  | order |  | principally *property* | vn require-103-1 «NP V NP»: subject=Precondition |
| 2 | **protect** | to-infinitive |  | the cameras and other equipment |  |  |  | from rainfall | vn defend-72.3 «NP V NP PP.theme»: agent=Agent camera=Beneficiary from rainfall=Theme |

### Option 3 {#o3}

<!-- .ven lang=en -->
Concealment permits the film-makers to capture the animals

```conllu
# sent_id = question:biology:394-how-nature-documentaries-are-made-hides-camera-traps-drones-and-years-of-waiting:e1:o3:1
# text = Concealment permits the film-makers to capture the animals
1	Concealment	concealment	NOUN	NN	Number=Sing	2	nsubj	_	_
2	permits	permit	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
4	film	film	NOUN	NN	Number=Sing	6	compound	_	SpaceAfter=No
5	-	-	PUNCT	HYPH	_	4	punct	_	SpaceAfter=No
6	makers	maker	NOUN	NNS	Number=Plur	2	obj	_	_
7	to	to	PART	TO	_	8	mark	_	_
8	capture	capture	VERB	VB	VerbForm=Inf	2	advcl	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	animals	animal	NOUN	NNS	Number=Plur	8	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **permit** | present | Concealment | the film makers |  |  |  |  | vn admit-64.3-1 «NP V NP»: agent=Agent maker=Theme |
| 2 | **capture** | to-infinitive | Concealment *not said here* | the animals |  |  |  |  | vn steal-10.5-1 «NP V NP»: agent=Agent animal=Theme |

### Option 4 {#o4}

<!-- .ven lang=en -->
Animals are attracted to the scent of human beings

```conllu
# sent_id = question:biology:394-how-nature-documentaries-are-made-hides-camera-traps-drones-and-years-of-waiting:e1:o4:1
# text = Animals are attracted to the scent of human beings
1	Animals	animal	NOUN	NNS	Number=Plur	3	nsubj:pass	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	aux:pass	_	_
3	attracted	attract	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	to	to	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	scent	scent	NOUN	NN	Number=Sing	3	obl	_	_
7	of	of	ADP	IN	_	9	case	_	_
8	human	human	ADJ	JJ	Degree=Pos	9	amod	_	_
9	beings	being	NOUN	NNS	Number=Plur	6	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **attract** | present · passive |  | Animals |  |  |  | to the scent of human beings *result* | vn lure-59.3 «NP V NP PP.result»: subject=Patient to scent=Result |
| 2 | **scent** |  |  | human beings |  |  |  |  | nom scent «cognition transitive»: of=patient |

<!-- div src -->

**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.

<!-- /div -->

<!-- pn -->
- ← previous: [How nature documentaries are made: hid…, test 12](https://md.mova.elamur.ai/free/en/corpora/questions/biology/394-how-nature-documentaries-are-made-hides-camera-traps-drones-and-years-of-waiting/t12/)
- next →: [How nature documentaries are made: hid…, exam 2](https://md.mova.elamur.ai/free/en/corpora/questions/biology/394-how-nature-documentaries-are-made-hides-camera-traps-drones-and-years-of-waiting/e2/)
- ↑ back to [How nature documentaries are made: hides, camera traps, drones and years of waiting](https://md.mova.elamur.ai/free/en/corpora/questions/biology/394-how-nature-documentaries-are-made-hides-camera-traps-drones-and-years-of-waiting/)