---
title: Select the response consistent with the established facts concerning… — Day and night, and the Moon's faces · tree and pragmatics
description: Select the response consistent with the established facts concerning the observation of a solar eclipse. Exam question 4 of lesson 39 «Day and night, and the Moon's faces» of the physics course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova
---

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# Exam question 4 · Day and night, and the Moon's faces

<!-- .ven lang=en -->
Select the response consistent with the established facts concerning the observation of a solar eclipse.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** you, established facts · **What happens:** select, establish, concern, observe · **To what, where:** response, observation, solar eclipse

<!-- .vabout -->
This is exam question 4 of lesson 39 «Day and night, and the Moon's faces» of the physics 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/physics/39-day-and-night-and-the-moons-faces/#e4).

## The question {#question}

```conllu
# sent_id = question:physics:39-day-and-night-and-the-moons-faces:e4:1
# text = Select the response consistent with the established facts concerning the observation of a solar eclipse.
1	Select	select	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	response	response	NOUN	NN	Number=Sing	1	obj	_	_
4	consistent	consistent	ADJ	JJ	Degree=Pos	1	xcomp	_	_
5	with	with	ADP	IN	_	8	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
7	established	establish	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	8	amod	_	_
8	facts	fact	NOUN	NNS	Number=Plur	4	obl	_	_
9	concerning	concern	VERB	VBG	VerbForm=Ger	8	acl	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	observation	observation	NOUN	NN	Number=Sing	9	obj	_	_
12	of	of	ADP	IN	_	15	case	_	_
13	a	a	DET	DT	Definite=Ind|PronType=Art	15	det	_	_
14	solar	solar	ADJ	JJ	Degree=Pos	15	amod	_	_
15	eclipse	eclipse	NOUN	NN	Number=Sing	11	nmod	_	SpaceAfter=No
16	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **select** | imperative | you *not said here* | the response |  |  |  | consistent *property* | vn obtain-13.5.2 «NP V NP»: agent=Agent response=Theme |
| 2 | **establish** | participle |  |  |  |  |  |  | vn indicate-78-1-1 «NP V NP to be NP»: agent=Pivot |
| 3 | **concern** | gerund | the established facts *not said here* | the observation of a solar eclipse |  |  |  |  | vn amuse-31.1 «NP V NP»: agent=Stimulus observation=Experiencer |
| 4 | **observe** |  |  | a solar eclipse |  |  |  |  | nom observation «act 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 · ← Mova's choice · ✓ the right answer {#o1}

<!-- .ven lang=en -->
It must never be viewed save through special eclipse glasses

```conllu
# sent_id = question:physics:39-day-and-night-and-the-moons-faces:e4:o1:1
# text = It must never be viewed save through special eclipse glasses
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj:pass	_	_
2	must	must	AUX	MD	VerbForm=Fin	5	aux	_	_
3	never	never	ADV	RB	PronType=Neg	5	advmod	_	_
4	be	be	AUX	VB	VerbForm=Inf	5	aux:pass	_	_
5	viewed	view	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	6	amod	_	_
6	save	save	VERB	VBP	Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin	0	root	_	_
7	through	through	ADP	IN	_	10	case	_	_
8	special	special	ADJ	JJ	Degree=Pos	10	amod	_	_
9	eclipse	eclipse	NOUN	NN	Number=Sing	10	compound	_	_
10	glasses	glass	NOUN	NNS	Number=Plur	6	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **view** | must · passive |  | It |  |  |  |  | vn sight-30.2 «NP V NP»: subject=Stimulus |
| 2 | **save** | present |  |  |  | special eclipse glasses |  |  | vn get-13.5.1-1 «NP V NP»: agent=Agent |

### Option 2 {#o2}

<!-- .ven lang=en -->
It may be viewed safely through binoculars

```conllu
# sent_id = question:physics:39-day-and-night-and-the-moons-faces:e4:o2:1
# text = It may be viewed safely through binoculars
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj:pass	_	_
2	may	may	AUX	MD	VerbForm=Fin	4	aux	_	_
3	be	be	AUX	VB	VerbForm=Inf	4	aux:pass	_	_
4	viewed	view	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	safely	safely	ADV	RB	_	4	advmod	_	_
6	through	through	ADP	IN	_	7	case	_	_
7	binoculars	binocular	NOUN	NNS	Number=Plur	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **view** | may · passive |  | It |  | binoculars |  | safely *property* | vn sight-30.2 «NP V NP»: subject=Stimulus |

### Option 3 {#o3}

<!-- .ven lang=en -->
It may be viewed directly provided the duration of viewing is brief

```conllu
# sent_id = question:physics:39-day-and-night-and-the-moons-faces:e4:o3:1
# text = It may be viewed directly provided the duration of viewing is brief
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj:pass	_	_
2	may	may	AUX	MD	VerbForm=Fin	4	aux	_	_
3	be	be	AUX	VB	VerbForm=Inf	4	aux:pass	_	_
4	viewed	view	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	12	amod	_	_
5	directly	directly	ADV	RB	_	6	advmod	_	_
6	provided	provide	VERB	VBD	Mood=Ind|Tense=Past|VerbForm=Fin	4	ccomp	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	duration	duration	NOUN	NN	Number=Sing	6	obj	_	_
9	of	of	ADP	IN	_	10	case	_	_
10	viewing	viewing	NOUN	NN	Number=Sing	8	nmod	_	_
11	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	12	cop	_	_
12	brief	brief	ADJ	JJ	Degree=Pos	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **view** | may · passive |  | It |  |  |  |  | vn characterize-29.2-1 «NP V NP to be ADJ»: subject=Theme clause=Attribute |
| 2 | **provide** | past |  | the duration of viewing |  |  |  | directly *property* | vn ensure-99 «NP V NP»: agent=Precondition duration=Theme |
| 3 | **is** | present |  |  |  |  |  | brief *property* | tree rules |

### Option 4 {#o4}

<!-- .ven lang=en -->
It may be viewed safely through ordinary sunglasses

```conllu
# sent_id = question:physics:39-day-and-night-and-the-moons-faces:e4:o4:1
# text = It may be viewed safely through ordinary sunglasses
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj:pass	_	_
2	may	may	AUX	MD	VerbForm=Fin	4	aux	_	_
3	be	be	AUX	VB	VerbForm=Inf	4	aux:pass	_	_
4	viewed	view	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	safely	safely	ADV	RB	_	4	advmod	_	_
6	through	through	ADP	IN	_	8	case	_	_
7	ordinary	ordinary	ADJ	JJ	Degree=Pos	8	amod	_	_
8	sunglasses	sunglasses	NOUN	NNS	Number=Plur	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **view** | may · passive |  | It |  | ordinary sunglasses |  | safely *property* | vn sight-30.2 «NP V NP»: subject=Stimulus |

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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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