Test 2 · Trains and the Underground

«my bro says if theres no train coming the tracks are totally safe» What is right?

Mova's choice: option 2 · The right answer: option 4 · wrong ✗ · Who acts: bro, train, theres · What happens: say, come, be · To what, where: tracks · Speech: someone speaks here

This is test 2 of lesson 21 «Trains and the Underground» of the technology 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	«	«	PUNCT	_	4 says	punct
2	my	my	PRON	Case=Gen Number=Sing Person=1 Poss=Yes PronType=Prs	3 bro	nmod:poss
3	bro	bro	NOUN	Number=Sing	4 says	nsubj
4	says	say	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
5	if	if	SCONJ	_	14 safe	mark
6	theres	there	NOUN	Number=Plur	14 safe	nsubj
7	no	no	DET	PronType=Neg	8 train	det
8	train	train	NOUN	Number=Sing	6 theres	nmod
9	coming	come	VERB	VerbForm=Ger	8 train	acl
10	the	the	DET	Definite=Def PronType=Art	11 tracks	det
11	tracks	track	NOUN	Number=Plur	9 coming	obj
12	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	14 safe	cop
13	totally	totally	ADV	_	14 safe	advmod
14	safe	safe	ADJ	Degree=Pos	4 says	ccomp
15	»	»	PUNCT	_	14 safe	punct
16	What	what	PRON	PronType=Int	18 right	nsubj
17	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	18 right	cop
18	right	right	ADJ	Degree=Pos	14 safe	conj
19	?	?	PUNCT	_	4 says	punct

#	verb	tense, mood	who	what, whom	other	roles by
1	say speech: assert in a quote	present	my bro			vn say-37.7-1-1 «NP V that S»: agent=Agent
2	come in a quote	gerund	no train not said here	the tracks		vn appear-48.1.1 «PP.location V NP»: agent=Location track=Theme
3	is a condition, not said to happen, in a quote	present	theres no train		safe, totally property	tree rules
4	is	present			right 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

Wrong, but only because the stones are sharp

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Wrong	wrong	ADJ	Degree=Pos	root	root
2	,	,	PUNCT	_	1 Wrong	punct
3	but	but	CCONJ	_	9 sharp	cc
4	only	only	ADV	_	9 sharp	advmod
5	because	because	SCONJ	_	9 sharp	mark
6	the	the	DET	Definite=Def PronType=Art	7 stones	det
7	stones	stone	NOUN	Number=Plur	9 sharp	nsubj
8	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	9 sharp	cop
9	sharp	sharp	ADJ	Degree=Pos	1 Wrong	conj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	the stones					sharp property	tree rules

Option 2 · ← Mova's choice

Right: without a train coming there is no danger at all, so play away

The tree, 14 words

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Right	right	ADV	_	6 coming	advmod
2	:	:	PUNCT	_	6 coming	punct
3	without	without	SCONJ	_	6 coming	mark
4	a	a	DET	Definite=Ind PronType=Art	5 train	det
5	train	train	NOUN	Number=Sing	6 coming	nsubj
6	coming	come	VERB	Tense=Pres VerbForm=Part	8 is	advcl
7	there	there	PRON	PronType=Dem	8 is	expl
8	is	be	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
9	no	no	DET	PronType=Neg	10 danger	det
10	danger	danger	NOUN	Number=Sing	8 is	nsubj
11	at	at	ADP	_	12 all	case
12	all	all	DET	PronType=Tot	10 danger	nmod
13	,	,	PUNCT	_	15 play	punct
14	so	so	ADV	_	15 play	advmod
15	play	play	VERB	Mood=Imp VerbForm=Fin	8 is	parataxis
16	away	away	ADV	_	15 play	advmod

#	verb	tense, mood	who	where	other	roles by
1	come	gerund	a train		right property	vn escape-51.1-1 «NP V»: agent=Theme
2	be	present	no danger at all	there		vn exist-47.1 «NP V»: agent=Theme
3	play away	infinitive			away property	vn performance-26.7-1 «NP V»: agent=Agent

Option 3

Right, as long as you walk on the sleepers

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Right	right	INTJ	_	4 long	discourse
2	,	,	PUNCT	_	4 long	punct
3	as	as	ADV	_	4 long	advmod
4	long	long	ADV	Degree=Pos	root	root
5	as	as	SCONJ	_	7 walk	mark
6	you	you	PRON	Case=Nom Person=2 PronType=Prs	7 walk	nsubj
7	walk	walk	VERB	Mood=Ind Number=Sing Person=2 Tense=Pres VerbForm=Fin	4 long	advcl
8	on	on	ADP	_	10 sleepers	case
9	the	the	DET	Definite=Def PronType=Art	10 sleepers	det
10	sleepers	sleeper	NOUN	Number=Plur	7 walk	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	walk	present	you			the sleepers			vn run-51.3.2-2-1 «NP V PP.location»: agent=Theme on sleeper=Trajectory

Option 4 · ✓ the right answer

Wrong: a live rail or overhead wire can kill even with no train

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Wrong	wrong	ADJ	Degree=Pos	root	root
2	:	:	PUNCT	_	10 kill	punct
3	a	a	DET	Definite=Ind PronType=Art	5 rail	det
4	live	live	ADJ	Degree=Pos	5 rail	amod
5	rail	rail	NOUN	Number=Sing	10 kill	nsubj
6	or	or	CCONJ	_	8 wire	cc
7	overhead	overhead	ADJ	Degree=Pos	8 wire	amod
8	wire	wire	NOUN	Number=Sing	5 rail	conj
9	can	can	AUX	VerbForm=Fin	10 kill	aux
10	kill	kill	VERB	VerbForm=Inf	1 Wrong	conj
11	even	even	ADV	_	14 train	advmod
12	with	with	ADP	_	14 train	case
13	no	no	DET	PronType=Neg	14 train	det
14	train	train	NOUN	Number=Sing	10 kill	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	kill	can	a live rail or overhead wire					with no train	vn amuse-31.1 «NP V NP-PRO-ARB»: agent=Stimulus

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/technology/21-trains-and-the-underground/t2/