Test 10 · ★ · Sleep and hibernation

Why does staring at a bright screen before bed make it harder to fall asleep?

Mova's choice: option 3 · The right answer: option 3 · right ✓ · Who acts: staring, bed · What happens: stare, make, fall · To what, where: bed

This is test 10 · ★ of lesson 55 «Sleep and hibernation» of the biology 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.

The question

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Why	why	ADV	PronType=Int	3 staring	advmod
2	does	do	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 staring	aux
3	staring	stare	VERB	Tense=Pres VerbForm=Part	10 make	csubj
4	at	at	ADP	_	7 screen	case
5	a	a	DET	Definite=Ind PronType=Art	7 screen	det
6	bright	bright	ADJ	Degree=Pos	7 screen	amod
7	screen	screen	NOUN	Number=Sing	3 staring	obl
8	before	before	ADP	_	9 bed	case
9	bed	bed	NOUN	Number=Sing	3 staring	obl
10	make	make	VERB	Mood=Ind Tense=Pres VerbForm=Fin	root	root
11	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	10 make	obj
12	harder	hard	ADJ	Degree=Cmp	10 make	xcomp
13	to	to	PART	_	14 fall	mark
14	fall	fall	VERB	VerbForm=Inf	12 harder	xcomp
15	asleep	asleep	ADJ	Degree=Pos	14 fall	xcomp
16	?	?	PUNCT	_	10 make	punct

#	verb	tense, mood	who	what, whom	when	other	roles by
1	stare	present · do-support			before bed	at a bright screen	vn peer-30.3 «NP V PP.theme»: agent=Agent at screen=Theme
2	make	present	staring	bed		hard property	vn build-26.1-1 «NP.asset V NP»: agent=Asset it=Product
3	fall	to-infinitive	bed not said here			asleep property	vn occur-48.3 «NP V»: agent=Theme

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

Screens use up all of the brain's memory

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Screens	screen	NOUN	Number=Plur	2 use	nsubj
2	use	use	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
3	up	up	ADP	_	2 use	compound:prt
4	all	all	DET	PronType=Tot	2 use	obj
5	of	of	ADP	_	9 memory	case
6	the	the	DET	Definite=Def PronType=Art	7 brain	det
7	brain	brain	NOUN	Number=Sing	9 memory	nmod:poss
8	's	's	PART	_	7 brain	case
9	memory	memory	NOUN	Number=Sing	4 all	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	use up	present	Screens	all					vn eat-39.1 «NP V NP»: agent=Agent all=Patient

Option 2

It doesn't, screens help you sleep better

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	It	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	2 does	nsubj
2	does	do	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	n't	not	PART	Polarity=Neg	2 does	advmod
4	,	,	PUNCT	_	6 help	punct
5	screens	screen	NOUN	Number=Plur	6 help	nsubj
6	help	help	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	2 does	conj
7	you	you	PRON	Case=Acc Person=2 PronType=Prs	6 help	obj
8	sleep	sleep	VERB	VerbForm=Inf	6 help	xcomp
9	better	well	ADV	Degree=Cmp	8 sleep	advmod

#	verb	tense, mood	who	what, whom	other	roles by
1	not do	present	It			vn act-114-1 «NP V»: agent=Agent
2	help	present	screens	you		vn help-72.1-1-1 «NP V NP S_INF»: agent=Agent you=Beneficiary clause=Theme
3	sleep	infinitive	you not said here		well property	vn snooze-40.4-1 «NP V»: agent=Agent

Option 3 · ← Mova's choice · ✓ the right answer

Bright light tells the brain it is still daytime

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Bright	bright	ADJ	Degree=Pos	2 light	amod
2	light	light	NOUN	Number=Sing	3 tells	nsubj
3	tells	tell	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	the	the	DET	Definite=Def PronType=Art	5 brain	det
5	brain	brain	NOUN	Number=Sing	3 tells	obj
6	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	9 daytime	nsubj
7	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	9 daytime	cop
8	still	still	ADV	_	9 daytime	advmod
9	daytime	daytime	ADJ	Degree=Pos	3 tells	ccomp

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	tell speech: assert	present	Bright light	the brain					vn transfer_mesg-37.1.1-1-1 «NP V NP.recipient»: agent=Agent brain=Recipient
2	is	present	light				still	daytime property	tree rules

Option 4

Screens make your eyes too heavy

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Screens	screen	NOUN	Number=Plur	2 make	nsubj
2	make	make	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
3	your	your	PRON	Case=Gen Person=2 Poss=Yes PronType=Prs	4 eyes	nmod:poss
4	eyes	eye	NOUN	Number=Plur	2 make	obj
5	too	too	ADV	_	6 heavy	advmod
6	heavy	heavy	ADJ	Degree=Pos	2 make	xcomp

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	make	present	Screens	your eyes				heavy property	vn build-26.1-1 «NP.asset V NP»: agent=Asset eye=Product

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/biology/55-sleep-and-hibernation/t10/