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Test 6 · ★★★ · Thinking it through: the science behind home safety

A family has a gas boiler. Why would a smoke alarm alone not protect them from carbon monoxide?

Mova's choice: option 4 · The right answer: option 4 · right ✓ · Who acts: family, smoke alarm · What happens: have, not protect · To what, where: gas boiler, them

This is test 6 · ★★★ of lesson 40 «Thinking it through: the science behind home safety» 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

Sentence 1: A family has a gas boiler.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	A	a	DET	Definite=Ind PronType=Art	2 family	det
2	family	family	NOUN	Number=Sing	3 has	nsubj
3	has	have	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	a	a	DET	Definite=Ind PronType=Art	6 boiler	det
5	gas	gas	NOUN	Number=Sing	6 boiler	compound
6	boiler	boiler	NOUN	Number=Sing	3 has	obj
7	.	.	PUNCT	_	3 has	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	have	present	a family	a gas boiler					vn birth-28.2-1 «NP V NP»: agent=Agent boiler=Patient

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.

Sentence 2: Why would a smoke alarm alone not protect them from carbon monoxide?

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Why	why	ADV	PronType=Int	8 protect	advmod
2	would	would	AUX	VerbForm=Fin	8 protect	aux
3	a	a	DET	Definite=Ind PronType=Art	5 alarm	det
4	smoke	smoke	NOUN	Number=Sing	5 alarm	compound
5	alarm	alarm	NOUN	Number=Sing	8 protect	nsubj
6	alone	alone	ADV	_	5 alarm	advmod
7	not	not	PART	Polarity=Neg	8 protect	advmod
8	protect	protect	VERB	VerbForm=Inf	root	root
9	them	they	PRON	Case=Acc Number=Plur Person=3 PronType=Prs	8 protect	obj
10	from	from	ADP	_	12 monoxide	case
11	carbon	carbon	NOUN	Number=Sing	12 monoxide	compound
12	monoxide	monoxide	NOUN	Number=Sing	8 protect	obl
13	?	?	PUNCT	_	8 protect	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	not protect	would	a smoke alarm	them = they				from carbon monoxide	vn defend-72.3 «NP V NP PP.theme»: agent=Agent they=Beneficiary from monoxide=Theme

The options

Option 1

Carbon monoxide always comes with thick smoke you can see coming

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Carbon	carbon	NOUN	Number=Sing	2 monoxide	compound
2	monoxide	monoxide	NOUN	Number=Sing	4 comes	nsubj
3	always	always	ADV	PronType=Tot	4 comes	advmod
4	comes	come	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
5	with	with	ADP	_	7 smoke	case
6	thick	thick	ADJ	Degree=Pos	7 smoke	amod
7	smoke	smoke	NOUN	Number=Sing	4 comes	obl
8	you	you	PRON	Case=Nom Person=2 PronType=Prs	10 see	nsubj
9	can	can	AUX	VerbForm=Fin	10 see	aux
10	see	see	VERB	VerbForm=Inf	7 smoke	acl:relcl
11	coming	come	VERB	VerbForm=Ger	10 see	xcomp

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	come	present	Carbon monoxide					with thick smoke; always property	vn escape-51.1-1 «NP V»: agent=Theme
2	see	can	you	thick smoke not said here					tree rules
3	come	gerund	thick smoke not said here						vn escape-51.1-1 «NP V»: agent=Theme

Option 2

Boilers cannot make any harmful gases

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Boilers	boiler	NOUN	Number=Plur	4 make	nsubj
2	can	can	AUX	VerbForm=Fin	4 make	aux
3	not	not	PART	Polarity=Neg	4 make	advmod
4	make	make	VERB	VerbForm=Inf	root	root
5	any	any	DET	PronType=Ind	7 gases	det
6	harmful	harmful	ADJ	Degree=Pos	7 gases	amod
7	gases	gas	NOUN	Number=Plur	4 make	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	not make	can	Boilers	any harmful gases					vn build-26.1-1 «NP.asset V NP»: agent=Asset gas=Product

Option 3

Smoke alarms only work in the kitchen

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Smoke	smoke	NOUN	Number=Sing	2 alarms	compound
2	alarms	alarm	NOUN	Number=Plur	4 work	nsubj
3	only	only	ADV	_	4 work	advmod
4	work	work	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
5	in	in	ADP	_	7 kitchen	case
6	the	the	DET	Definite=Def PronType=Art	7 kitchen	det
7	kitchen	kitchen	NOUN	Number=Sing	4 work	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	work	present	Smoke alarms					in the kitchen	vn employment-95.3 «NP V PP.theme»: agent=Agent in kitchen=Theme

Option 4 · ← Mova's choice · ✓ the right answer

Carbon monoxide is not smoke and has no smell or colour

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Carbon	carbon	NOUN	Number=Sing	2 monoxide	compound
2	monoxide	monoxide	NOUN	Number=Sing	5 smoke	nsubj
3	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	5 smoke	cop
4	not	not	PART	Polarity=Neg	5 smoke	advmod
5	smoke	smoke	NOUN	Number=Sing	root	root
6	and	and	CCONJ	_	7 has	cc
7	has	have	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	5 smoke	conj
8	no	no	DET	PronType=Neg	9 smell	det
9	smell	smell	NOUN	Number=Sing	7 has	obj
10	or	or	CCONJ	_	11 colour	cc
11	colour	colour	NOUN	Number=Sing	9 smell	conj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	not is a	present	Carbon monoxide	smoke					tree rules
2	have	present	Carbon monoxide not said here	no smell or colour					vn birth-28.2-1 «NP V NP»: agent=Agent smell=Patient

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.

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