Test 4 · ★ · Smells that warn

Why is carbon monoxide called a silent danger?

Mova's choice: option 3 · The right answer: option 1 · wrong ✗ · Who acts: carbon monoxide · What happens: be, call · To what, where: carbon monoxide, silent danger · Speech: someone speaks here

This is test 4 · ★ of lesson 13 «Smells that warn» of the everyday 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	4 monoxide	advmod
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 monoxide	cop
3	carbon	carbon	NOUN	Number=Sing	4 monoxide	compound
4	monoxide	monoxide	NOUN	Number=Sing	root	root
5	called	call	VERB	Tense=Past VerbForm=Part Voice=Pass	4 monoxide	acl
6	a	a	DET	Definite=Ind PronType=Art	8 danger	det
7	silent	silent	ADJ	Degree=Pos	8 danger	amod
8	danger	danger	NOUN	Number=Sing	5 called	xcomp
9	?	?	PUNCT	_	4 monoxide	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is a	present		carbon monoxide					tree rules
2	call	participle	carbon monoxide not said here	a silent danger					vn initiate_communication-37.4.2-1 «NP V»: agent=Agent

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 · ✓ the right answer

You cannot see, smell or taste it

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	You	you	PRON	Case=Nom Person=2 PronType=Prs	4 see	nsubj
2	can	can	AUX	VerbForm=Fin	4 see	aux
3	not	not	PART	Polarity=Neg	4 see	advmod
4	see	see	VERB	VerbForm=Inf	root	root
5	,	,	PUNCT	_	6 smell	punct
6	smell	smell	VERB	VerbForm=Inf	4 see	conj
7	or	or	CCONJ	_	8 taste	cc
8	taste	taste	VERB	VerbForm=Inf	4 see	conj
9	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	8 taste	obj

#	verb	tense, mood	who	what, whom	roles by
1	not see	can	You		vn comprehend-87.2-1-1 «NP V»: agent=Experiencer
2	smell	infinitive	You not said here		vn smell_emission-43.3 «NP V»: agent=Theme
3	taste	infinitive	You not said here	it	vn seem-109 «NP V ADJ»: agent=Theme it=Attribute

Option 2

It only appears at night

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 appears	nsubj
2	only	only	ADV	_	3 appears	advmod
3	appears	appear	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	at	at	ADP	_	5 night	case
5	night	night	NOUN	Number=Sing	3 appears	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	appear	present	It				night		vn appear-48.1.1 «NP V»: agent=Theme

Option 3 · ← Mova's choice

It makes no sound when it burns

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 makes	nsubj
2	makes	make	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	no	no	DET	PronType=Neg	4 sound	det
4	sound	sound	NOUN	Number=Sing	2 makes	obj
5	when	when	SCONJ	_	7 burns	mark
6	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	7 burns	nsubj
7	burns	burn	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	2 makes	advcl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	make	present	It	no sound					vn build-26.1-1 «NP.material V NP»: agent=Material sound=Product
2	burn	present	sound						vn light_emission-43.1 «NP V»: agent=Theme

Option 4

It is too heavy to move around

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	4 heavy	nsubj
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 heavy	cop
3	too	too	ADV	_	4 heavy	advmod
4	heavy	heavy	ADJ	Degree=Pos	root	root
5	to	to	PART	_	6 move	mark
6	move	move	VERB	VerbForm=Inf	4 heavy	xcomp
7	around	around	ADV	_	6 move	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	It					heavy property	tree rules
2	move around	to-infinitive						around property	vn roll-51.3.1 «NP.theme V»: agent=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/13-smells-that-warn/t4/