---
title: Identify the principal reason for which the notion that carrots conf… — Eyes and ears · tree and pragmatics
description: Identify the principal reason for which the notion that carrots confer night vision was disseminated in wartime Britain. Exam question 1 of lesson 3 «Eyes and ears» of the myths course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/myths/3-eyes-and-ears/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/) / [Myths](https://md.mova.elamur.ai/free/en/corpora/questions/myths/) / [Eyes and ears](https://md.mova.elamur.ai/free/en/corpora/questions/myths/3-eyes-and-ears/) / e1

# Exam question 1 · Eyes and ears

<!-- .ven lang=en -->
Identify the principal reason for which the notion that carrots confer night vision was disseminated in wartime Britain.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** you · **What happens:** identify, disseminate · **To what, where:** principal reason, carrots, wartime

<!-- .vabout -->
This is exam question 1 of lesson 3 «Eyes and ears» of the myths 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/myths/3-eyes-and-ears/#e1).

## The question {#question}

```conllu
# sent_id = question:myths:3-eyes-and-ears:e1:1
# text = Identify the principal reason for which the notion that carrots confer night vision was disseminated in wartime Britain.
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	8	obl	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	notion	notion	NOUN	NN	Number=Sing	4	nmod	_	_
9	that	that	PRON	WDT	PronType=Rel	15	obj	_	_
10	carrots	carrot	NOUN	NNS	Number=Plur	15	nsubj	_	_
11	confer	confer	ADJ	JJ	Degree=Pos	13	amod	_	_
12	night	night	NOUN	NN	Number=Sing	13	compound	_	_
13	vision	vision	NOUN	NN	Number=Sing	15	nsubj:pass	_	_
14	was	be	AUX	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	15	aux:pass	_	_
15	disseminated	disseminate	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	8	acl:relcl	_	_
16	in	in	ADP	IN	_	17	case	_	_
17	wartime	wartime	NOUN	NN	Number=Sing	15	obl	_	_
18	Britain	Britain	PROPN	NNP	Number=Sing	17	appos	_	SpaceAfter=No
19	.	.	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  the notion |  |  |  |  | vn characterize-29.2-1-1 «NP V NP S\_ING»: agent=Agent reason=Theme |
| 2 | **disseminate** | past · passive |  | carrots |  | wartime |  |  | tree rules |

<!-- .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 -->
To publicise a novel medical discovery concerning vision

```conllu
# sent_id = question:myths:3-eyes-and-ears:e1:o1:1
# text = To publicise a novel medical discovery concerning vision
1	To	to	PART	TO	_	2	mark	_	_
2	publicise	publicise	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
4	novel	novel	ADJ	JJ	Degree=Pos	6	amod	_	_
5	medical	medical	ADJ	JJ	Degree=Pos	6	amod	_	_
6	discovery	discovery	NOUN	NN	Number=Sing	2	obj	_	_
7	concerning	concerning	ADJ	JJ	Degree=Pos	8	amod	_	_
8	vision	vision	NOUN	NN	Number=Sing	2	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **publicise** | to-infinitive |  | a novel medical discovery |  |  |  |  | tree rules |

### Option 2 {#o2}

<!-- .ven lang=en -->
To discourage the consumption of confectionery by children

```conllu
# sent_id = question:myths:3-eyes-and-ears:e1:o2:1
# text = To discourage the consumption of confectionery by children
1	To	to	PART	TO	_	2	mark	_	_
2	discourage	discourage	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	consumption	consumption	NOUN	NN	Number=Sing	2	obj	_	_
5	of	of	ADP	IN	_	6	case	_	_
6	confectionery	confectionery	NOUN	NN	Number=Sing	4	nmod	_	_
7	by	by	ADP	IN	_	8	case	_	_
8	children	child	NOUN	NNS	Number=Plur	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **discourage** | to-infinitive |  | the consumption of confectionery |  |  |  | by children | vn amuse-31.1 «NP V NP»: agent=Stimulus consumption=Experiencer |
| 2 | **consume** |  |  | confectionery |  |  |  |  | nom consumption «act transitive»: of=patient |

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

<!-- .ven lang=en -->
To conceal the employment of radar by its pilots

```conllu
# sent_id = question:myths:3-eyes-and-ears:e1:o3:1
# text = To conceal the employment of radar by its pilots
1	To	to	PART	TO	_	2	mark	_	_
2	conceal	conceal	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	employment	employment	NOUN	NN	Number=Sing	2	obj	_	_
5	of	of	ADP	IN	_	6	case	_	_
6	radar	radar	NOUN	NN	Number=Sing	4	nmod	_	_
7	by	by	ADP	IN	_	9	case	_	_
8	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	9	nmod:poss	_	_
9	pilots	pilot	NOUN	NNS	Number=Plur	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **conceal** | to-infinitive |  | the employment of radar |  |  |  | by radar's pilots | vn concealment-16 «NP V NP PP.location»: agent=Agent employment=Patient by pilot=Location |
| 2 | **employ** |  |  | radar |  |  |  |  | nom employment «state transitive»: of=patient |

### Option 4 {#o4}

<!-- .ven lang=en -->
To augment the sales of agricultural produce such as carrots

```conllu
# sent_id = question:myths:3-eyes-and-ears:e1:o4:1
# text = To augment the sales of agricultural produce such as carrots
1	To	to	PART	TO	_	2	mark	_	_
2	augment	augment	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	sales	sale	NOUN	NNS	Number=Plur	2	obj	_	_
5	of	of	ADP	IN	_	7	case	_	_
6	agricultural	agricultural	ADJ	JJ	Degree=Pos	7	amod	_	_
7	produce	produce	NOUN	NN	Number=Sing	4	nmod	_	_
8	such	such	ADJ	JJ	Degree=Pos|ExtPos=ADP	10	case	_	_
9	as	as	ADP	IN	_	8	fixed	_	_
10	carrots	carrot	NOUN	NNS	Number=Plur	4	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **augment** | to-infinitive |  | the sales of agricultural produce |  |  |  | such carrots | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent sale=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: [Eyes and ears, test 10](https://md.mova.elamur.ai/free/en/corpora/questions/myths/3-eyes-and-ears/t10/)
- next →: [Eyes and ears, exam 2](https://md.mova.elamur.ai/free/en/corpora/questions/myths/3-eyes-and-ears/e2/)
- ↑ back to [Eyes and ears](https://md.mova.elamur.ai/free/en/corpora/questions/myths/3-eyes-and-ears/)

