Exam question 1 · Lenses and eyes

Identify the principal function of the crystalline lens of the human eye.

Mova's choice: option 1 · The right answer: option 3 · wrong ✗ · Who acts: you · What happens: identify · To what, where: principal function

This is exam question 1 of lesson 22 «Lenses and eyes» 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.

The question

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Identify	identify	VERB	Mood=Imp VerbForm=Fin	root	root
2	the	the	DET	Definite=Def PronType=Art	4 function	det
3	principal	principal	ADJ	Degree=Pos	4 function	amod
4	function	function	NOUN	Number=Sing	1 Identify	obj
5	of	of	ADP	_	8 lens	case
6	the	the	DET	Definite=Def PronType=Art	8 lens	det
7	crystalline	crystalline	ADJ	Degree=Pos	8 lens	amod
8	lens	lens	NOUN	Number=Sing	4 function	nmod
9	of	of	ADP	_	12 eye	case
10	the	the	DET	Definite=Def PronType=Art	12 eye	det
11	human	human	ADJ	Degree=Pos	12 eye	amod
12	eye	eye	NOUN	Number=Sing	8 lens	nmod
13	.	.	PUNCT	_	1 Identify	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	identify	imperative	you not said here	the principal function of the crystalline lens of the human eye					vn characterize-29.2-1-1 «NP V NP S_ING»: agent=Agent function=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 · ← Mova's choice

To exclude particles of dust from the eye

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	To	to	PART	_	2 exclude	mark
2	exclude	exclude	VERB	Mood=Imp VerbForm=Fin	root	root
3	particles	particle	NOUN	Number=Plur	2 exclude	obj
4	of	of	ADP	_	5 dust	case
5	dust	dust	NOUN	Number=Sing	3 particles	nmod
6	from	from	ADP	_	8 eye	case
7	the	the	DET	Definite=Def PronType=Art	8 eye	det
8	eye	eye	NOUN	Number=Sing	2 exclude	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	exclude	to-infinitive		particles of dust		the eye			vn forbid-64.4-1 «NP V NP PP.theme»: agent=Causer particle=Beneficiary from eye=Eventuality

Option 2

To store visual images for subsequent recall

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	To	to	PART	_	2 store	mark
2	store	store	VERB	Mood=Imp VerbForm=Fin	root	root
3	visual	visual	ADJ	Degree=Pos	4 images	amod
4	images	image	NOUN	Number=Plur	2 store	obj
5	for	for	ADP	_	7 recall	case
6	subsequent	subsequent	ADJ	Degree=Pos	7 recall	amod
7	recall	recall	NOUN	Number=Sing	2 store	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	store	to-infinitive		visual images				for subsequent recall	vn keep-15.2 «NP V NP»: agent=Agent image=Theme

Option 3 · ✓ the right answer

To refract light so as to form a focused image upon the retina

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	To	to	PART	_	2 refract	mark
2	refract	refract	VERB	VerbForm=Inf	7 form	advcl
3	light	light	NOUN	Number=Sing	2 refract	obj
4	so	so	ADV	_	7 form	advmod
5	as	as	SCONJ	_	7 form	mark
6	to	to	PART	_	7 form	mark
7	form	form	VERB	Mood=Imp VerbForm=Fin	root	root
8	a	a	DET	Definite=Ind PronType=Art	10 image	det
9	focused	focused	ADJ	Degree=Pos	10 image	amod
10	image	image	NOUN	Number=Sing	7 form	obj
11	upon	upon	ADP	_	13 retina	case
12	the	the	DET	Definite=Def PronType=Art	13 retina	det
13	retina	retina	NOUN	Number=Sing	7 form	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	refract	to-infinitive		light					vn remedy-45.7 «NP V NP.patient»: agent=Agent light=Patient
2	form	to-infinitive		a focused image				upon the retina	vn appear-48.1.1 «PP.location V NP»: agent=Location image=Theme

Option 4

To emit light whereby the objects before the eye are illuminated at night

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	To	to	PART	_	2 emit	mark
2	emit	emit	VERB	Mood=Imp VerbForm=Fin	root	root
3	light	light	NOUN	Number=Sing	2 emit	obj
4	whereby	whereby	ADV	PronType=Int	11 illuminated	advmod
5	the	the	DET	Definite=Def PronType=Art	6 objects	det
6	objects	object	NOUN	Number=Plur	11 illuminated	nsubj:pass
7	before	before	ADP	_	9 eye	case
8	the	the	DET	Definite=Def PronType=Art	9 eye	det
9	eye	eye	NOUN	Number=Sing	6 objects	nmod
10	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	11 illuminated	aux:pass
11	illuminated	illuminate	VERB	Tense=Past VerbForm=Part Voice=Pass	2 emit	advcl
12	at	at	ADP	_	13 night	case
13	night	night	NOUN	Number=Sing	11 illuminated	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	emit	to-infinitive		light					vn substance_emission-43.4 «NP V NP»: agent=Source light=Theme
2	illuminate	present · passive		the objects before the eye			night	whereby property	vn illustrate-25.3 «NP V NP»: subject=Destination

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/physics/22-lenses-and-eyes/e1/