---
title: Identify the time of day at which ultraviolet radiation is strongest. — Sun safety · tree and pragmatics
description: Identify the time of day at which ultraviolet radiation is strongest. Exam question 2 of lesson 46 «Sun safety» of the everyday 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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# Exam question 2 · Sun safety

<!-- .ven lang=en -->
Identify the time of day at which ultraviolet radiation is strongest.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** you, ultraviolet radiation · **What happens:** identify, be

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This is exam question 2 of lesson 46 «Sun safety» of the everyday 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/everyday/46-sun-safety/#e2).

## The question {#question}

```conllu
# sent_id = question:everyday:46-sun-safety:e2:1
# text = Identify the time of day at which ultraviolet radiation is strongest.
1	Identify	identify	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	time	time	NOUN	NN	Number=Sing	1	obj	_	_
4	of	of	ADP	IN	_	5	case	_	_
5	day	day	NOUN	NN	Number=Sing	3	nmod	_	_
6	at	at	ADP	IN	_	7	case	_	_
7	which	which	PRON	WDT	PronType=Rel	11	obl	_	_
8	ultraviolet	ultraviolet	NOUN	NN	Number=Sing	9	compound	_	_
9	radiation	radiation	NOUN	NN	Number=Sing	11	nsubj	_	_
10	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	11	cop	_	_
11	strongest	strong	ADJ	JJS	Degree=Sup	5	acl:relcl	_	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* |  |  |  | time |  | vn empathize-88.2 «NP V»: agent=Experiencer |
| 2 | **is** | present | ultraviolet radiation |  |  |  | at day | strong *property* | 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 · ✓ the right answer {#o1}

<!-- .ven lang=en -->
Around the middle of the day

```conllu
# sent_id = question:everyday:46-sun-safety:e2:o1:1
# text = Around the middle of the day
1	Around	around	ADP	IN	_	3	case	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	middle	middle	NOUN	NN	Number=Sing	0	root	_	_
4	of	of	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	day	day	NOUN	NN	Number=Sing	3	nmod	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 2 {#o2}

<!-- .ven lang=en -->
Late in the evening

```conllu
# sent_id = question:everyday:46-sun-safety:e2:o2:1
# text = Late in the evening
1	Late	late	ADV	RB	Degree=Pos	0	root	_	_
2	in	in	ADP	IN	_	4	case	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	evening	evening	NOUN	NN	Number=Sing	1	obl	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 3 {#o3}

<!-- .ven lang=en -->
Early in the morning

```conllu
# sent_id = question:everyday:46-sun-safety:e2:o3:1
# text = Early in the morning
1	Early	early	ADV	RB	Degree=Pos	0	root	_	_
2	in	in	ADP	IN	_	4	case	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	morning	morning	NOUN	NN	Number=Sing	1	obl	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 4 {#o4}

<!-- .ven lang=en -->
Shortly after sunset

```conllu
# sent_id = question:everyday:46-sun-safety:e2:o4:1
# text = Shortly after sunset
1	Shortly	shortly	ADV	RB	_	0	root	_	_
2	after	after	ADP	IN	_	3	case	_	_
3	sunset	sunset	NOUN	NN	Number=Sing	1	obl	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

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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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- ← previous: [Sun safety, exam 1](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/46-sun-safety/e1/)
- next →: [Sun safety, exam 3](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/46-sun-safety/e3/)
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