---
title: Identify the principal substance stored within the hump of a camel. — Defences: tricks and myths: playing de… · tree and pragmatics
description: Identify the principal substance stored within the hump of a camel. Exam question 2 of lesson 249 «Defences: tricks and myths: playing dead, dropping tails, ink, and do ostriches bury their heads?» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the questio
---

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# Exam question 2 · Defences: tricks and myths: playing dead, dropping tails,…

<!-- .ven lang=en -->
Identify the principal substance stored within the hump of a camel.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 4 · wrong ✗ · **Who acts:** you · **What happens:** identify, store · **To what, where:** principal substance

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This is exam question 2 of lesson 249 «Defences: tricks and myths: playing dead, dropping tails, ink, and do ostriches bury their heads?» 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/249-defences-tricks-and-myths-playing-dead-dropping-tails-ink-and-ostriches/#e2).

## The question {#question}

```conllu
# sent_id = question:biology:249-defences-tricks-and-myths-playing-dead-dropping-tails-ink-and-ostriches:e2:1
# text = Identify the principal substance stored within the hump of a camel.
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	substance	substance	NOUN	NN	Number=Sing	1	obj	_	_
5	stored	store	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	acl	_	_
6	within	within	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	hump	hump	NOUN	NN	Number=Sing	5	obl	_	_
9	of	of	ADP	IN	_	11	case	_	_
10	a	a	DET	DT	Definite=Ind|PronType=Art	11	det	_	_
11	camel	camel	NOUN	NN	Number=Sing	8	nmod	_	SpaceAfter=No
12	.	.	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 substance |  |  |  |  | vn characterize-29.2-1-1 «NP V NP S\_ING»: agent=Agent substance=Theme |
| 2 | **store** | participle |  | the principal substance *not said here* |  |  |  | within the hump of a camel | vn keep-15.2 «NP V NP»: agent=Agent |

<!-- .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 {#o1}

<!-- .ven lang=en -->
Air, which assists the animal in floating

```conllu
# sent_id = question:biology:249-defences-tricks-and-myths-playing-dead-dropping-tails-ink-and-ostriches:e2:o1:1
# text = Air, which assists the animal in floating
1	Air	air	NOUN	NN	Number=Sing	4	nsubj	_	SpaceAfter=No
2	,	,	PUNCT	,	_	4	punct	_	_
3	which	which	PRON	WDT	PronType=Rel	4	nsubj	_	_
4	assists	assist	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	animal	animal	NOUN	NN	Number=Sing	4	obj	_	_
7	in	in	ADP	IN	_	8	case	_	_
8	floating	floating	NOUN	NN	Number=Sing	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **assist** | present | Air |  | the animal | floating |  |  | vn help-72.1-1-1 «NP V NP»: agent=Agent animal=Beneficiary |

### Option 2 {#o2}

<!-- .ven lang=en -->
Water, which is released when the animal is thirsty

```conllu
# sent_id = question:biology:249-defences-tricks-and-myths-playing-dead-dropping-tails-ink-and-ostriches:e2:o2:1
# text = Water, which is released when the animal is thirsty
1	Water	water	NOUN	NN	Number=Sing	10	nsubj	_	SpaceAfter=No
2	,	,	PUNCT	,	_	5	punct	_	_
3	which	which	PRON	WDT	PronType=Rel	5	nsubj:pass	_	_
4	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	aux:pass	_	_
5	released	release	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	1	acl:relcl	_	_
6	when	when	ADV	WRB	PronType=Int	8	advmod	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	animal	animal	NOUN	NN	Number=Sing	5	obj	_	_
9	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	10	cop	_	_
10	thirsty	thirsty	ADJ	JJ	Degree=Pos	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **release** | present · passive |  | Water |  |  |  |  | tree rules |
| 2 | **is** | present | Water |  |  |  |  | thirsty *property* | tree rules |

### Option 3 {#o3}

<!-- .ven lang=en -->
Milk, which is reserved for the young

```conllu
# sent_id = question:biology:249-defences-tricks-and-myths-playing-dead-dropping-tails-ink-and-ostriches:e2:o3:1
# text = Milk, which is reserved for the young
1	Milk	milk	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
2	,	,	PUNCT	,	_	5	punct	_	_
3	which	which	PRON	WDT	PronType=Rel	5	nsubj:pass	_	_
4	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	aux:pass	_	_
5	reserved	reserve	VERB	VBN	Tense=Past|VerbForm=Part	1	appos	_	_
6	for	for	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	young	young	ADJ	JJ	Degree=Pos	5	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **reserve** | present · passive |  | Milk |  |  |  | for the young | vn get-13.5.1 «NP V NP PP.beneficiary»: subject=Theme for young=Beneficiary |

### Option 4 · ✓ the right answer {#o4}

<!-- .ven lang=en -->
Fat, which furnishes energy when food is scarce

```conllu
# sent_id = question:biology:249-defences-tricks-and-myths-playing-dead-dropping-tails-ink-and-ostriches:e2:o4:1
# text = Fat, which furnishes energy when food is scarce
1	Fat	fat	NOUN	NN	Number=Sing	4	nsubj	_	SpaceAfter=No
2	,	,	PUNCT	,	_	4	punct	_	_
3	which	which	PRON	WDT	PronType=Rel	4	nsubj	_	_
4	furnishes	furnish	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	energy	energy	NOUN	NN	Number=Sing	4	obj	_	_
6	when	when	SCONJ	WRB	_	9	mark	_	_
7	food	food	NOUN	NN	Number=Sing	9	nsubj	_	_
8	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	9	cop	_	_
9	scarce	scarce	ADJ	JJ	Degree=Pos	4	advcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **furnish** | present | Fat | energy |  |  |  |  | vn fulfilling-13.4.1-1 «NP V NP»: agent=Agent energy=Recipient |
| 2 | **is** | present | food |  |  |  |  | scarce *property* | tree rules |

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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.

<!-- /div -->

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- ← previous: [Defences: tricks and myths: playing de…, exam 1](https://md.mova.elamur.ai/free/en/corpora/questions/biology/249-defences-tricks-and-myths-playing-dead-dropping-tails-ink-and-ostriches/e1/)
- next →: [Defences: tricks and myths: playing de…, exam 3](https://md.mova.elamur.ai/free/en/corpora/questions/biology/249-defences-tricks-and-myths-playing-dead-dropping-tails-ink-and-ostriches/e3/)
- ↑ back to [Defences: tricks and myths: playing dead, dropping tails, ink, and do ostriches bury their heads?](https://md.mova.elamur.ai/free/en/corpora/questions/biology/249-defences-tricks-and-myths-playing-dead-dropping-tails-ink-and-ostriches/)