---
title: A shopkeeper puts a big curved mirror in the corner of the shop. Why… — Mirrors, rainbows and the blue sky · tree and pragmatics
description: A shopkeeper puts a big curved mirror in the corner of the shop. Why curved? Test 10 · ★ of lesson 21 «Mirrors, rainbows and the blue sky» of the physics course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was right.
---

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# Test 10 · ★ · Mirrors, rainbows and the blue sky

<!-- .ven lang=en -->
A shopkeeper puts a big curved mirror in the corner of the shop. Why curved?

<!-- .vintro -->
**Mova's choice:** option 4 · **The right answer:** option 4 · right ✓ · **Who acts:** shopkeeper · **What happens:** put, curve · **To what, where:** big curved mirror, corner

<!-- .vabout -->
This is test 10 · ★ of lesson 21 «Mirrors, rainbows and the blue sky» of the physics course of Mova's primary school. 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/physics/21-mirrors-rainbows-and-the-blue-sky/#t10).

## The question {#question}

<!-- .note -->
*Sentence 1:* A shopkeeper puts a big curved mirror in the corner of the shop.

```conllu
# sent_id = question:physics:21-mirrors-rainbows-and-the-blue-sky:t10:1
# text = A shopkeeper puts a big curved mirror in the corner of the shop.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	shopkeeper	shopkeeper	NOUN	NN	Number=Sing	3	nsubj	_	_
3	puts	put	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
5	big	big	ADJ	JJ	Degree=Pos	7	amod	_	_
6	curved	curve	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	7	amod	_	_
7	mirror	mirror	NOUN	NN	Number=Sing	3	obj	_	_
8	in	in	ADP	IN	_	10	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	corner	corner	NOUN	NN	Number=Sing	3	obl	_	_
11	of	of	ADP	IN	_	13	case	_	_
12	the	the	DET	DT	Definite=Def|PronType=Art	13	det	_	_
13	shop	shop	NOUN	NN	Number=Sing	10	nmod	_	SpaceAfter=No
14	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **put** | present | a shopkeeper | a big curved mirror |  | the corner of the shop |  |  | vn put-9.1-2 «NP V NP PP.destination»: agent=Agent mirror=Theme in corner=Destination |
| 2 | **curve** | participle |  |  |  |  |  |  | vn knead-26.5 «NP.material V PP.product»: agent=Material |

<!-- .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.

<!-- .note -->
*Sentence 2:* Why curved?

```conllu
# sent_id = question:physics:21-mirrors-rainbows-and-the-blue-sky:t10:2
# text = Why curved?
1	Why	why	ADV	WRB	PronType=Int	2	advmod	_	_
2	curved	curve	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	SpaceAfter=No
3	?	?	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **curve** | participle |  |  |  |  |  |  | vn knead-26.5 «NP.material V PP.product»: agent=Material |

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
To stop thieves from seeing their own faces

```conllu
# sent_id = question:physics:21-mirrors-rainbows-and-the-blue-sky:t10:o1:1
# text = To stop thieves from seeing their own faces
1	To	to	PART	TO	_	2	mark	_	_
2	stop	stop	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
3	thieves	thief	NOUN	NNS	Number=Plur	2	obj	_	_
4	from	from	SCONJ	IN	_	5	mark	_	_
5	seeing	see	VERB	VBG	Tense=Pres|VerbForm=Part	2	advcl	_	_
6	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	8	nmod:poss	_	_
7	own	own	ADJ	JJ	Degree=Pos	8	amod	_	_
8	faces	face	NOUN	NNS	Number=Plur	5	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **stop** | to-infinitive |  | thieves |  |  |  |  | vn stop-55.4-1-1 «NP V NP.eventuality»: agent=Subeventuality thief=Eventuality |
| 2 | **see** | gerund |  | thieves's own faces |  |  |  |  | vn comprehend-87.2-1-1 «NP V NP»: agent=Experiencer face=Stimulus |

### Option 2 {#o2}

<!-- .ven lang=en -->
To make all the goods on sale look shiny

```conllu
# sent_id = question:physics:21-mirrors-rainbows-and-the-blue-sky:t10:o2:1
# text = To make all the goods on sale look shiny
1	To	to	PART	TO	_	2	mark	_	_
2	make	make	VERB	VB	VerbForm=Inf	8	advcl	_	_
3	all	all	DET	PDT	PronType=Tot	5	det:predet	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	goods	goods	NOUN	NNS	Number=Ptan	2	obj	_	_
6	on	on	ADP	IN	_	7	case	_	_
7	sale	sale	NOUN	NN	Number=Sing	2	obl	_	_
8	look	look	VERB	VBP	Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin	0	root	_	_
9	shiny	shiny	ADJ	JJ	Degree=Pos	8	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | to-infinitive |  | all goods |  | sale |  |  | vn build-26.1-1 «NP.asset V NP»: agent=Asset goods=Product |
| 2 | **look** | present |  |  |  |  |  | shiny *property* | vn stimulus\_subject-30.4 «NP V ADJ»: agent=Stimulus |

### Option 3 {#o3}

<!-- .ven lang=en -->
To make the whole shop look much smaller

```conllu
# sent_id = question:physics:21-mirrors-rainbows-and-the-blue-sky:t10:o3:1
# text = To make the whole shop look much smaller
1	To	to	PART	TO	_	2	mark	_	_
2	make	make	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
4	whole	whole	ADJ	JJ	Degree=Pos	5	amod	_	_
5	shop	shop	NOUN	NN	Number=Sing	2	obj	_	_
6	look	look	VERB	VB	VerbForm=Inf	2	xcomp	_	_
7	much	much	ADV	RB	_	8	advmod	_	_
8	smaller	small	ADJ	JJR	Degree=Cmp	6	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | to-infinitive |  | the whole shop |  |  |  |  | tree rules |
| 2 | **look** | infinitive | the whole shop *not said here* |  |  |  |  | small *property* | vn stimulus\_subject-30.4 «NP V ADJ»: agent=Stimulus |

### Option 4 · ← Mova's choice · ✓ the right answer {#o4}

<!-- .ven lang=en -->
To show a wider view of the whole shop

```conllu
# sent_id = question:physics:21-mirrors-rainbows-and-the-blue-sky:t10:o4:1
# text = To show a wider view of the whole shop
1	To	to	PART	TO	_	2	mark	_	_
2	show	show	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
4	wider	wide	ADJ	JJR	Degree=Cmp	5	amod	_	_
5	view	view	NOUN	NN	Number=Sing	2	obj	_	_
6	of	of	ADP	IN	_	9	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
8	whole	whole	ADJ	JJ	Degree=Pos	9	amod	_	_
9	shop	shop	NOUN	NN	Number=Sing	5	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **show** | to-infinitive |  | a wider view of the whole shop |  |  |  |  | vn transfer\_mesg-37.1.1-1-1 «NP V NP.recipient»: agent=Agent view=Recipient |
| 2 | **view** |  |  | the whole shop |  |  |  |  | nom view «cognition transitive»: of=patient |

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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.

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