Exam question 1 · Posture, screens and resting your eyes

Which of the following statements most accurately characterises the 20-20-20 rule?

Mova's choice: option 1 · The right answer: option 4 · wrong ✗ · What happens: follow, characteris · To what, where: 20-20-20 rule

This is exam question 1 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.

The question

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Which	which	PRON	PronType=Rel	8 characterises	nsubj
2	of	of	ADP	_	5 statements	case
3	the	the	DET	Definite=Def PronType=Art	5 statements	det
4	following	follow	VERB	VerbForm=Ger	5 statements	amod
5	statements	statement	NOUN	Number=Plur	8 characterises	obl
6	most	most	ADV	Degree=Sup	7 accurately	advmod
7	accurately	accurately	ADV	_	8 characterises	advmod
8	characterises	characteris	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
9	the	the	DET	Definite=Def PronType=Art	11 rule	det
10	20-20-20	20-20-20	NUM	NumForm=Digit NumType=Card	11 rule	nummod
11	rule	rule	NOUN	Number=Sing	8 characterises	obj
12	?	?	PUNCT	_	8 characterises	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	follow	gerund							vn occur-48.3-1 «NP V»: agent=Theme
2	characteris	present		the 20-20-20 rule				of the following statements; accurately property	tree rules

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

Option 1 · ← Mova's choice

The screen is to be placed twenty centimetres from the eyes

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 screen	det
2	screen	screen	NOUN	Number=Sing	6 placed	nsubj:pass
3	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	6 placed	aux:pass
4	to	to	PART	_	6 placed	mark
5	be	be	AUX	VerbForm=Inf	6 placed	aux:pass
6	placed	place	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
7	twenty	twenty	NUM	NumForm=Word NumType=Card	8 centimetres	nummod
8	centimetres	centimetre	NOUN	Number=Plur	6 placed	obj
9	from	from	ADP	_	11 eyes	case
10	the	the	DET	Definite=Def PronType=Art	11 eyes	det
11	eyes	eye	NOUN	Number=Plur	6 placed	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	place	present · passive		the screen		the eyes			vn put-9.1-2 «NP V NP ADVP»: subject=Theme centimetre=Destination

Option 2

Twenty minutes of reading are to be followed by twenty hours of rest

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Twenty	twenty	NUM	NumForm=Word NumType=Card	2 minutes	nummod
2	minutes	minute	NOUN	Number=Plur	8 followed	nsubj:pass
3	of	of	ADP	_	4 reading	case
4	reading	reading	NOUN	Number=Sing	2 minutes	nmod
5	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	8 followed	aux:pass
6	to	to	PART	_	8 followed	mark
7	be	be	AUX	VerbForm=Inf	8 followed	aux:pass
8	followed	follow	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
9	by	by	ADP	_	11 hours	case
10	twenty	twenty	NUM	NumForm=Word NumType=Card	11 hours	nummod
11	hours	hour	NOUN	Number=Plur	8 followed	obl
12	of	of	ADP	_	13 rest	case
13	rest	rest	NOUN	Number=Sing	11 hours	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	follow	present · passive		Twenty minutes of reading			hour		vn chase-51.6 «NP V NP»: subject=Theme

Option 3

At intervals of twenty seconds, the eyes are to be closed for twenty minutes

The tree, 14 words

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	At	at	ADP	_	2 intervals	case
2	intervals	interval	NOUN	Number=Plur	12 closed	obl
3	of	of	ADP	_	5 seconds	case
4	twenty	twenty	NUM	NumForm=Word NumType=Card	5 seconds	nummod
5	seconds	second	NOUN	Number=Plur	2 intervals	nmod
6	,	,	PUNCT	_	2 intervals	punct
7	the	the	DET	Definite=Def PronType=Art	8 eyes	det
8	eyes	eye	NOUN	Number=Plur	12 closed	nsubj:pass
9	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	12 closed	aux:pass
10	to	to	PART	_	12 closed	mark
11	be	be	AUX	VerbForm=Inf	12 closed	aux:pass
12	closed	close	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
13	for	for	ADP	_	15 minutes	case
14	twenty	twenty	NUM	NumForm=Word NumType=Card	15 minutes	nummod
15	minutes	minute	NOUN	Number=Plur	12 closed	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	close	present · passive		the eyes		intervals of twenty seconds	minute		vn crane-40.3.2 «NP V NP»: subject=Patient

Option 4 · ✓ the right answer

At intervals of twenty minutes, an object twenty feet distant is to be regarded for twenty seconds

The tree, 17 words

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	At	at	ADP	_	2 intervals	case
2	intervals	interval	NOUN	Number=Plur	15 regarded	obl
3	of	of	ADP	_	5 minutes	case
4	twenty	twenty	NUM	NumForm=Word NumType=Card	5 minutes	nummod
5	minutes	minute	NOUN	Number=Plur	2 intervals	nmod
6	,	,	PUNCT	_	2 intervals	punct
7	an	a	DET	Definite=Ind PronType=Art	8 object	det
8	object	object	NOUN	Number=Sing	15 regarded	nsubj:pass
9	twenty	twenty	NUM	NumForm=Word NumType=Card	10 feet	nummod
10	feet	foot	NOUN	Number=Plur	11 distant	obl:unmarked
11	distant	distant	ADJ	Degree=Pos	8 object	amod
12	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	15 regarded	aux
13	to	to	PART	_	15 regarded	mark
14	be	be	AUX	VerbForm=Inf	15 regarded	aux:pass
15	regarded	regard	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
16	for	for	ADP	_	18 seconds	case
17	twenty	twenty	NUM	NumForm=Word NumType=Card	18 seconds	nummod
18	seconds	second	NOUN	Number=Plur	15 regarded	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	regard	present · passive		a object		intervals of twenty minutes	second		vn assessment-34.1 «NP V NP»: subject=Theme

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.

This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/questions/everyday/8-posture-and-screens/e1/