---
title: Identify the principal reason for which potatoes ought to be stored… — The vegetable patch: peas, potatoes, t… · tree and pragmatics
description: Identify the principal reason for which potatoes ought to be stored in the absence of light. Exam question 2 of lesson 338 «The vegetable patch: peas, potatoes, tomatoes and slugs» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each opt
---

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# Exam question 2 · The vegetable patch: peas, potatoes, tomatoes and slugs

<!-- .ven lang=en -->
Identify the principal reason for which potatoes ought to be stored in the absence of light.

<!-- .vintro -->
**Mova's choice:** option 4 · **The right answer:** option 2 · wrong ✗ · **Who acts:** you · **What happens:** identify, store, absent · **To what, where:** principal reason, potatoes, absence, light

<!-- .vabout -->
This is exam question 2 of lesson 338 «The vegetable patch: peas, potatoes, tomatoes and slugs» 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/338-the-vegetable-patch-peas-potatoes-tomatoes-and-slugs/#e2).

## The question {#question}

```conllu
# sent_id = question:biology:338-the-vegetable-patch-peas-potatoes-tomatoes-and-slugs:e2:1
# text = Identify the principal reason for which potatoes ought to be stored in the absence of light.
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	potatoes	potato	NOUN	NNS	Number=Plur	11	nsubj:pass	_	_
8	ought	ought	AUX	MD	VerbForm=Fin	11	aux	_	_
9	to	to	PART	TO	_	11	mark	_	_
10	be	be	AUX	VB	VerbForm=Inf	11	aux:pass	_	_
11	stored	store	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	acl:relcl	_	_
12	in	in	ADP	IN	_	14	case	_	_
13	the	the	DET	DT	Definite=Def|PronType=Art	14	det	_	_
14	absence	absence	NOUN	NN	Number=Sing	11	obl	_	_
15	of	of	ADP	IN	_	16	case	_	_
16	light	light	NOUN	NN	Number=Sing	14	nmod	_	SpaceAfter=No
17	.	.	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 | **store** | ought · passive | you *not said here* | potatoes |  | the absence of light |  | for the principal reason | vn keep-15.2 «NP V NP PP.location»: subject=Theme in absence=Location |
| 3 | **absent** |  |  | light |  |  |  |  | nom absence «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 -->
Darkness increases the size of stored potatoes

```conllu
# sent_id = question:biology:338-the-vegetable-patch-peas-potatoes-tomatoes-and-slugs:e2:o1:1
# text = Darkness increases the size of stored potatoes
1	Darkness	darkness	NOUN	NN	Number=Sing	2	nsubj	_	_
2	increases	increase	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	size	size	NOUN	NN	Number=Sing	2	obj	_	_
5	of	of	ADP	IN	_	7	case	_	_
6	stored	store	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	7	amod	_	_
7	potatoes	potato	NOUN	NNS	Number=Plur	4	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **increase** | present | Darkness | the size of stored potatoes |  |  |  |  | vn caused\_calibratable\_cos-45.6.2-1 «NP V NP.patient»: agent=Causer size=Patient |
| 2 | **store** | participle |  |  |  |  |  |  | vn keep-15.2 «NP V NP»: agent=Agent |

### Option 2 · ✓ the right answer {#o2}

<!-- .ven lang=en -->
Exposure to light causes the formation of a bitter poison, visible as a green colour

<!-- fold The tree, 15 words -->
```conllu
# sent_id = question:biology:338-the-vegetable-patch-peas-potatoes-tomatoes-and-slugs:e2:o2:1
# text = Exposure to light causes the formation of a bitter poison, visible as a green colour
1	Exposure	exposure	NOUN	NN	Number=Sing	4	nsubj	_	_
2	to	to	ADP	IN	_	3	case	_	_
3	light	light	NOUN	NN	Number=Sing	1	nmod	_	_
4	causes	cause	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	formation	formation	NOUN	NN	Number=Sing	4	obj	_	_
7	of	of	ADP	IN	_	10	case	_	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	10	det	_	_
9	bitter	bitter	ADJ	JJ	Degree=Pos	10	amod	_	_
10	poison	poison	NOUN	NN	Number=Sing	6	nmod	_	SpaceAfter=No
11	,	,	PUNCT	,	_	12	punct	_	_
12	visible	visible	ADJ	JJ	Degree=Pos	6	conj	_	_
13	as	as	ADP	IN	_	16	case	_	_
14	a	a	DET	DT	Definite=Ind|PronType=Art	16	det	_	_
15	green	green	ADJ	JJ	Degree=Pos	16	amod	_	_
16	colour	colour	NOUN	NN	Number=Sing	12	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **cause** | present | Exposure to light | the formation of a bitter poison |  |  |  |  | vn engender-27.1-1 «NP V NP»: agent=Precondition formation=Patient |

### Option 3 {#o3}

<!-- .ven lang=en -->
Exposure to light causes the potatoes to liquefy

```conllu
# sent_id = question:biology:338-the-vegetable-patch-peas-potatoes-tomatoes-and-slugs:e2:o3:1
# text = Exposure to light causes the potatoes to liquefy
1	Exposure	exposure	NOUN	NN	Number=Sing	4	nsubj	_	_
2	to	to	ADP	IN	_	3	case	_	_
3	light	light	NOUN	NN	Number=Sing	1	nmod	_	_
4	causes	cause	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	potatoes	potato	NOUN	NNS	Number=Plur	4	obj	_	_
7	to	to	PART	TO	_	8	mark	_	_
8	liquefy	liquefy	VERB	VB	VerbForm=Inf	4	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **cause** | present | Exposure to light | the potatoes |  |  |  |  | tree rules |
| 2 | **liquefy** | to-infinitive | the potatoes *not said here* |  |  |  |  |  | vn other\_cos-45.4 «NP.patient V»: agent=Patient |

### Option 4 · ← Mova's choice {#o4}

<!-- .ven lang=en -->
Darkness prevents the potatoes from being consumed by bees

```conllu
# sent_id = question:biology:338-the-vegetable-patch-peas-potatoes-tomatoes-and-slugs:e2:o4:1
# text = Darkness prevents the potatoes from being consumed by bees
1	Darkness	darkness	NOUN	NN	Number=Sing	2	nsubj	_	_
2	prevents	prevent	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	potatoes	potato	NOUN	NNS	Number=Plur	2	obj	_	_
5	from	from	SCONJ	IN	_	7	mark	_	_
6	being	be	AUX	VBG	Tense=Pres|VerbForm=Part	7	aux:pass	_	_
7	consumed	consume	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	2	advcl	_	_
8	by	by	ADP	IN	_	9	case	_	_
9	bees	bee	NOUN	NNS	Number=Plur	7	obl:agent	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **prevent** | present | Darkness | the potatoes |  |  |  |  | vn forbid-64.4-1 «NP V NP»: agent=Causer potato=Theme |
| 2 | **consume** | gerund · passive | bees |  |  |  |  |  | vn consume-66 «NP V NP»: agent=Agent |

<!-- 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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- ↑ back to [The vegetable patch: peas, potatoes, tomatoes and slugs](https://md.mova.elamur.ai/free/en/corpora/questions/biology/338-the-vegetable-patch-peas-potatoes-tomatoes-and-slugs/)