Exam question 2 · Trains, the Underground and subways

Identify the principal reason for which the conductor rail, hereinafter the third rail, must at all times be avoided.

Mova's choice: option 3 · The right answer: option 3 · right ✓ · Who acts: you · What happens: identify, avoid · To what, where: principal reason, conductor rail

This is exam question 2 of lesson 270 «Trains, the Underground and subways» 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	Identify	identify	VERB	Mood=Imp VerbForm=Fin	root	root
2	the	the	DET	Definite=Def PronType=Art	4 reason	det
3	principal	principal	ADJ	Degree=Pos	4 reason	amod
4	reason	reason	NOUN	Number=Sing	1 Identify	obj
5	for	for	ADP	_	6 which	case
6	which	which	PRON	PronType=Rel	21 avoided	obl
7	the	the	DET	Definite=Def PronType=Art	9 rail	det
8	conductor	conductor	NOUN	Number=Sing	9 rail	compound
9	rail	rail	NOUN	Number=Sing	21 avoided	nsubj:pass
10	,	,	PUNCT	_	11 hereinafter	punct
11	hereinafter	hereinafter	NOUN	Number=Sing	9 rail	conj
12	the	the	DET	Definite=Def PronType=Art	14 rail	det
13	third	third	ADJ	Degree=Pos NumForm=Word NumType=Ord	14 rail	amod
14	rail	rail	NOUN	Number=Sing	21 avoided	nsubj:pass
15	,	,	PUNCT	_	14 rail	punct
16	must	must	AUX	VerbForm=Fin	21 avoided	aux
17	at	at	ADP	_	19 times	case
18	all	all	DET	PronType=Tot	19 times	det
19	times	time	NOUN	Number=Plur	21 avoided	obl
20	be	be	AUX	VerbForm=Inf	21 avoided	aux:pass
21	avoided	avoid	VERB	Tense=Past VerbForm=Part Voice=Pass	4 reason	acl:relcl
22	.	.	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 reason					vn characterize-29.2-1-1 «NP V NP S_ING»: agent=Agent reason=Theme
2	avoid	must · passive		the conductor rail and hereinafter			time	for the principal reason	vn avoid-52 «NP V NP.location»: subject=Location

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

It is heated to a dangerous temperature in winter months

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	3 heated	nsubj:pass
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 heated	aux:pass
3	heated	heat	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
4	to	to	ADP	_	7 temperature	case
5	a	a	DET	Definite=Ind PronType=Art	7 temperature	det
6	dangerous	dangerous	ADJ	Degree=Pos	7 temperature	amod
7	temperature	temperature	NOUN	Number=Sing	3 heated	obl
8	in	in	ADP	_	10 months	case
9	winter	winter	NOUN	Number=Sing	10 months	compound
10	months	month	NOUN	Number=Plur	7 temperature	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	heat	present · passive		It				to a dangerous temperature in winter months result	vn cooking-45.3 «NP V NP PP.result»: subject=Patient to temperature=Result

Option 2

It is liable to collapse under a person's weight

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	3 liable	nsubj
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 liable	cop
3	liable	liable	ADJ	Degree=Pos	root	root
4	to	to	PART	_	5 collapse	mark
5	collapse	collapse	VERB	VerbForm=Inf	3 liable	xcomp
6	under	under	ADP	_	10 weight	case
7	a	a	DET	Definite=Ind PronType=Art	8 person	det
8	person	person	NOUN	Number=Sing	10 weight	nmod:poss
9	's	's	PART	_	8 person	case
10	weight	weight	NOUN	Number=Sing	5 collapse	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	It					liable property	tree rules
2	collapse	to-infinitive				a person's weight			vn other_cos-45.4 «NP.patient V»: agent=Patient

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

It carries electricity sufficient to cause death

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 carries	nsubj
2	carries	carry	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	electricity	electricity	NOUN	Number=Sing	2 carries	obj
4	sufficient	sufficient	ADJ	Degree=Pos	2 carries	xcomp
5	to	to	PART	_	6 cause	mark
6	cause	cause	VERB	VerbForm=Inf	4 sufficient	advcl
7	death	death	NOUN	Number=Sing	6 cause	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	carry	present	It	electricity				sufficient property	vn carry-11.4 «NP V NP»: agent=Agent electricity=Theme
2	cause	to-infinitive		death					vn engender-27.1-1 «NP V NP»: agent=Precondition death=Patient

Option 4

It is energised solely during peak hours

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	3 energised	nsubj:pass
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 energised	aux:pass
3	energised	energise	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
4	solely	solely	ADV	_	3 energised	advmod
5	during	during	ADP	_	7 hours	case
6	peak	peak	NOUN	Number=Sing	7 hours	compound
7	hours	hour	NOUN	Number=Plur	3 energised	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	energise	present · passive		It			hour	solely property	tree rules

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/270-trains-and-subways/e2/