---
title: Determine the principal reason for which modern elephant houses are… — The elephant house: herds, feet, food… · tree and pragmatics
description: Determine the principal reason for which modern elephant houses are furnished with deep sand floors. Exam question 3 of lesson 83 «The elephant house: herds, feet, food and the mouse myth» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of 
---

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# Exam question 3 · The elephant house: herds, feet, food and the mouse myth

<!-- .ven lang=en -->
Determine the principal reason for which modern elephant houses are furnished with deep sand floors.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** you · **What happens:** determine, furnish · **To what, where:** principal reason, modern elephant houses

<!-- .vabout -->
This is exam question 3 of lesson 83 «The elephant house: herds, feet, food and the mouse myth» 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/83-elephant-house-herds-feet-food-mouse-myth/#e3).

## The question {#question}

```conllu
# sent_id = question:biology:83-elephant-house-herds-feet-food-mouse-myth:e3:1
# text = Determine the principal reason for which modern elephant houses are furnished with deep sand floors.
1	Determine	determine	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	modern	modern	ADJ	JJ	Degree=Pos	9	amod	_	_
8	elephant	elephant	NOUN	NN	Number=Sing	9	compound	_	_
9	houses	house	NOUN	NNS	Number=Plur	11	nsubj:pass	_	_
10	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	11	aux:pass	_	_
11	furnished	furnish	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	acl:relcl	_	_
12	with	with	ADP	IN	_	15	case	_	_
13	deep	deep	ADJ	JJ	Degree=Pos	15	amod	_	_
14	sand	sand	NOUN	NN	Number=Sing	15	compound	_	_
15	floors	floor	NOUN	NNS	Number=Plur	11	obl	_	SpaceAfter=No
16	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **determine** | imperative | you *not said here* | the principal reason |  |  |  |  | vn discover-84 «NP V NP»: agent=Agent reason=Topic |
| 2 | **furnish** | present · passive |  | modern elephant houses |  |  |  | for the principal reason; with deep sand floors | vn fulfilling-13.4.1-1 «NP V NP PP.recipient»: subject=Theme for which=Recipient |

<!-- .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 -->
Standing upon concrete injures the feet and joints of so heavy an animal

```conllu
# sent_id = question:biology:83-elephant-house-herds-feet-food-mouse-myth:e3:o1:1
# text = Standing upon concrete injures the feet and joints of so heavy an animal
1	Standing	stand	VERB	VBG	Tense=Pres|VerbForm=Part	4	csubj	_	_
2	upon	upon	ADP	IN	_	3	case	_	_
3	concrete	concrete	NOUN	NN	Number=Sing	1	obl	_	_
4	injures	injure	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	feet	foot	NOUN	NNS	Number=Plur	4	obj	_	_
7	and	and	CCONJ	CC	_	8	cc	_	_
8	joints	joint	NOUN	NNS	Number=Plur	6	conj	_	_
9	of	of	ADP	IN	_	11	case	_	_
10	so	so	ADV	RB	_	11	advmod	_	_
11	heavy	heavy	ADJ	JJ	Degree=Pos	6	amod	_	_
12	an	a	DET	DT	Definite=Ind|PronType=Art	13	det	_	_
13	animal	animal	NOUN	NN	Number=Sing	11	nsubj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **stand** | gerund |  |  |  | concrete |  |  | vn assuming\_position-50 «NP V PP.location»: agent=Agent upon concrete=Location |
| 2 | **injure** | present | Standing | the feet and joints |  |  |  |  | tree rules |

### Option 2 {#o2}

<!-- .ven lang=en -->
Concrete is prohibited by law in all zoological collections of the world

```conllu
# sent_id = question:biology:83-elephant-house-herds-feet-food-mouse-myth:e3:o2:1
# text = Concrete is prohibited by law in all zoological collections of the world
1	Concrete	concrete	NOUN	NN	Number=Sing	3	nsubj:pass	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	aux:pass	_	_
3	prohibited	prohibit	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	by	by	ADP	IN	_	5	case	_	_
5	law	law	NOUN	NN	Number=Sing	3	obl	_	_
6	in	in	ADP	IN	_	9	case	_	_
7	all	all	DET	DT	PronType=Tot	9	det	_	_
8	zoological	zoological	ADJ	JJ	Degree=Pos	9	amod	_	_
9	collections	collection	NOUN	NNS	Number=Plur	3	obl	_	_
10	of	of	ADP	IN	_	12	case	_	_
11	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
12	world	world	NOUN	NN	Number=Sing	9	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **prohibit** | present · passive | law | Concrete |  | all zoological collections of the world |  |  | vn forbid-64.4-1 «NP V NP»: agent=Causer subject=Theme |

### Option 3 {#o3}

<!-- .ven lang=en -->
Sand is consumed by elephants as a dietary supplement

```conllu
# sent_id = question:biology:83-elephant-house-herds-feet-food-mouse-myth:e3:o3:1
# text = Sand is consumed by elephants as a dietary supplement
1	Sand	sand	NOUN	NN	Number=Sing	3	nsubj:pass	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	aux:pass	_	_
3	consumed	consume	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	by	by	ADP	IN	_	5	case	_	_
5	elephants	elephant	NOUN	NNS	Number=Plur	3	obl	_	_
6	as	as	ADP	IN	_	9	case	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
8	dietary	dietary	ADJ	JJ	Degree=Pos	9	amod	_	_
9	supplement	supplement	NOUN	NN	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **consume** | present · passive | elephants | Sand |  |  |  | as a dietary supplement | vn consume-66 «NP V NP»: agent=Agent subject=Asset |

### Option 4 {#o4}

<!-- .ven lang=en -->
Sand prevents elephants from swimming

```conllu
# sent_id = question:biology:83-elephant-house-herds-feet-food-mouse-myth:e3:o4:1
# text = Sand prevents elephants from swimming
1	Sand	sand	NOUN	NN	Number=Sing	2	nsubj	_	_
2	prevents	prevent	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	elephants	elephant	NOUN	NNS	Number=Plur	2	obj	_	_
4	from	from	ADP	IN	_	5	case	_	_
5	swimming	swimming	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **prevent** | present | Sand |  | elephants | swimming |  |  | vn forbid-64.4-1 «NP V NP PP.theme»: agent=Causer elephant=Beneficiary from swimming=Eventuality |

<!-- 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 -->

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- ← previous: [The elephant house: herds, feet, food…, exam 2](https://md.mova.elamur.ai/free/en/corpora/questions/biology/83-elephant-house-herds-feet-food-mouse-myth/e2/)
- next →: [The elephant house: herds, feet, food…, exam 4](https://md.mova.elamur.ai/free/en/corpora/questions/biology/83-elephant-house-herds-feet-food-mouse-myth/e4/)
- ↑ back to [The elephant house: herds, feet, food and the mouse myth](https://md.mova.elamur.ai/free/en/corpora/questions/biology/83-elephant-house-herds-feet-food-mouse-myth/)