---
title: It is given that the eyes feel dry after prolonged regard of a scree… — Posture, screens and resting your eyes · tree and pragmatics
description: It is given that the eyes feel dry after prolonged regard of a screen. Determine the principal cause thereof. Exam question 4 of lesson 8 «Posture, screens and resting your eyes» of the everyday course of Mova's primary school, with the dependency tree and pragmatics of the question and of each opti
---

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# Exam question 4 · Posture, screens and resting your eyes

<!-- .ven lang=en -->
It is given that the eyes feel dry after prolonged regard of a screen. Determine the principal cause thereof.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 4 · wrong ✗ · **Who acts:** eyes, you, principal · **What happens:** give, feel, prolong, regard, determine, cause · **To what, where:** It, screen

<!-- .vabout -->
This is exam question 4 of lesson 8 «Posture, screens and resting your eyes» 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/8-posture-and-screens/#e4).

## The question {#question}

<!-- .note -->
*Sentence 1:* It is given that the eyes feel dry after prolonged regard of a screen.

```conllu
# sent_id = question:everyday:8-posture-and-screens:e4:1
# text = It is given that the eyes feel dry after prolonged regard of a screen.
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj:pass	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	aux:pass	_	_
3	given	give	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	that	that	SCONJ	IN	_	7	mark	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	eyes	eye	NOUN	NNS	Number=Plur	7	nsubj	_	_
7	feel	feel	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	advcl	_	_
8	dry	dry	ADJ	JJ	Degree=Pos	7	xcomp	_	_
9	after	after	ADP	IN	_	11	case	_	_
10	prolonged	prolong	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	11	amod	_	_
11	regard	regard	NOUN	NN	Number=Sing	7	obl	_	_
12	of	of	ADP	IN	_	14	case	_	_
13	a	a	DET	DT	Definite=Ind|PronType=Art	14	det	_	_
14	screen	screen	NOUN	NN	Number=Sing	11	nmod	_	SpaceAfter=No
15	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **give** | present · passive |  | It |  |  |  |  | vn give-13.1-1 «NP V NP»: subject=Theme |
| 2 | **feel** | present | the eyes |  |  |  | after prolonged regard of a screen | dry *property* | vn stimulus\_subject-30.4 «NP V ADJ»: agent=Stimulus |
| 3 | **prolong** | participle |  |  |  |  |  |  | vn sustain-55.6 «NP V NP PP.instrument»: agent=Agent |
| 4 | **regard** |  |  | a screen |  |  |  |  | nom regard «cognition 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.

<!-- .note -->
*Sentence 2:* Determine the principal cause thereof.

```conllu
# sent_id = question:everyday:8-posture-and-screens:e4:2
# text = Determine the principal cause thereof.
1	Determine	determine	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	principal	principal	NOUN	NN	Number=Sing	4	nsubj	_	_
4	cause	cause	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	1	ccomp	_	_
5	thereof	thereof	ADV	RB	_	4	advmod	_	SpaceAfter=No
6	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **determine** | imperative | you *not said here* |  |  |  |  |  | vn conjecture-29.5 «NP V that S»: agent=Agent clause=Theme |
| 2 | **cause** | present | the principal |  |  |  |  | thereof *property* | vn result-27.2 «NP V PP»: agent=Precondition |

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
The eyes produce no tears whatsoever during daylight

```conllu
# sent_id = question:everyday:8-posture-and-screens:e4:o1:1
# text = The eyes produce no tears whatsoever during daylight
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	eyes	eye	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	produce	produce	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	no	no	DET	DT	PronType=Neg	5	det	_	_
5	tears	tear	NOUN	NNS	Number=Plur	3	obj	_	_
6	whatsoever	whatsoever	ADV	RB	_	3	advmod	_	_
7	during	during	ADP	IN	_	8	case	_	_
8	daylight	daylight	NOUN	NN	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **produce** | present | the eyes | no tears |  |  | during daylight | whatsoever *property* | vn create-26.4 «NP V NP»: agent=Agent tear=Result |

### Option 2 {#o2}

<!-- .ven lang=en -->
The screen emits a vapour that dries the eyes

```conllu
# sent_id = question:everyday:8-posture-and-screens:e4:o2:1
# text = The screen emits a vapour that dries the eyes
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	screen	screen	NOUN	NN	Number=Sing	3	nsubj	_	_
3	emits	emit	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
5	vapour	vapour	NOUN	NN	Number=Sing	3	obj	_	_
6	that	that	PRON	WDT	PronType=Rel	7	nsubj	_	_
7	dries	dry	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	acl:relcl	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	eyes	eye	NOUN	NNS	Number=Plur	7	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **emit** | present | the screen | a vapour |  |  |  |  | vn substance\_emission-43.4 «NP V NP»: agent=Source vapour=Theme |
| 2 | **dry** | present | a vapour | the eyes |  |  |  |  | vn other\_cos-45.4-1 «NP V NP ADJ»: agent=Patient eye=Result |

### Option 3 {#o3}

<!-- .ven lang=en -->
The screen draws moisture from the face by heat

```conllu
# sent_id = question:everyday:8-posture-and-screens:e4:o3:1
# text = The screen draws moisture from the face by heat
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	screen	screen	NOUN	NN	Number=Sing	3	nsubj	_	_
3	draws	draw	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	moisture	moisture	NOUN	NN	Number=Sing	3	obj	_	_
5	from	from	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	face	face	NOUN	NN	Number=Sing	3	obl	_	_
8	by	by	ADP	IN	_	9	case	_	_
9	heat	heat	NOUN	NN	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **draw** | present | the screen | moisture |  | the face |  | by heat | vn carry-11.4 «NP V NP PP.initial\_location»: agent=Agent moisture=Theme from face=Initial\_Location |

### Option 4 · ✓ the right answer {#o4}

<!-- .ven lang=en -->
Persons blink less frequently whilst they regard a screen

```conllu
# sent_id = question:everyday:8-posture-and-screens:e4:o4:1
# text = Persons blink less frequently whilst they regard a screen
1	Persons	person	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	blink	blink	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	less	less	ADV	RBR	Degree=Cmp	4	advmod	_	_
4	frequently	frequently	ADV	RB	_	2	advmod	_	_
5	whilst	whilst	SCONJ	IN	_	7	mark	_	_
6	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	7	nsubj	_	_
7	regard	regard	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	2	advcl	_	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
9	screen	screen	NOUN	NN	Number=Sing	7	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **blink** | present | Persons |  |  |  |  | frequently *property* | vn hiccup-40.1.1 «NP V»: agent=Agent |
| 2 | **regard** | present | Persons *= person* | a screen |  |  |  |  | vn assessment-34.1 «NP V NP»: agent=Agent screen=Theme |

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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: [Posture, screens and resting your eyes, exam 3](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/8-posture-and-screens/e3/)
- next →: [Tiredness, hunger and thirst: the body…, test 1](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/9-body-signals/t1/)
- ↑ back to [Posture, screens and resting your eyes](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/8-posture-and-screens/)