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Test 4 · ★★ · The air we breathe

Nan says she bought three houseplants "to clean all the air in the flat". What's true?

Mova's choice: option 2 · The right answer: option 1 · wrong ✗ · Who acts: Nan · What happens: say, buy, clean, be · To what, where: three houseplants, air, flat · Speech: someone speaks here

This is test 4 · ★★ of lesson 33 «The air we breathe» of the chemistry 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: Nan says she bought three houseplants "to clean all the air in the flat".

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Nan	Nan	PROPN	Number=Sing	2 says	nsubj
2	says	say	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	she	she	PRON	Case=Nom Gender=Fem Number=Sing Person=3 PronType=Prs	4 bought	nsubj
4	bought	buy	VERB	Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin	2 says	ccomp
5	three	three	NUM	NumForm=Word NumType=Card	6 houseplants	nummod
6	houseplants	houseplant	NOUN	Number=Plur	4 bought	obj
7	"	"	PUNCT	_	6 houseplants	punct
8	to	to	PART	_	9 clean	mark
9	clean	clean	VERB	VerbForm=Inf	4 bought	advcl
10	all	all	DET	PronType=Tot	12 air	det:predet
11	the	the	DET	Definite=Def PronType=Art	12 air	det
12	air	air	NOUN	Number=Sing	9 clean	obj
13	in	in	ADP	_	15 flat	case
14	the	the	DET	Definite=Def PronType=Art	15 flat	det
15	flat	flat	NOUN	Number=Sing	9 clean	obl
16	"	"	PUNCT	_	4 bought	punct
17	.	.	PUNCT	_	2 says	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	say speech: assert	present	Nan						vn say-37.7-1-1 «NP V that S»: agent=Agent clause=Topic
2	buy	past	Nan	three houseplants					vn accept-77.1 «NP V NP»: agent=Agent houseplant=Theme
3	clean in a quote	to-infinitive	Nan not said here	all air		the flat			vn other_cos-45.4 «NP V NP.patient»: agent=Agent air=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: What's true?

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	What	what	PRON	PronType=Int	3 true	nsubj
2	's	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 true	cop
3	true	true	ADJ	Degree=Pos	root	root
4	?	?	PUNCT	_	3 true	punct

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

The options

Option 1 · ✓ the right answer

A few plants do little; opening a window does more

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	A	a	DET	Definite=Ind PronType=Art	3 plants	det
2	few	few	ADJ	Degree=Pos	3 plants	amod
3	plants	plant	NOUN	Number=Plur	4 do	nsubj
4	do	do	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
5	little	little	ADJ	Degree=Pos	4 do	obj
6	;	;	PUNCT	_	10 does	punct
7	opening	open	VERB	VerbForm=Ger	10 does	csubj
8	a	a	DET	Definite=Ind PronType=Art	9 window	det
9	window	window	NOUN	Number=Sing	7 opening	obj
10	does	do	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 do	parataxis
11	more	more	ADV	Degree=Cmp	10 does	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	do	present	a few plants	little					vn act-114-1 «NP V NP»: agent=Agent little=Eventuality
2	open	gerund		a window					vn spatial_configuration-47.6-1 «PP.location V NP»: agent=Location window=Theme
3	do	present	opening						vn act-114-1 «NP V»: agent=Agent

Option 2 · ← Mova's choice

Three plants clean the air of a whole flat

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Three	three	NUM	NumForm=Word NumType=Card	2 plants	nummod
2	plants	plant	NOUN	Number=Plur	3 clean	nsubj
3	clean	clean	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
4	the	the	DET	Definite=Def PronType=Art	5 air	det
5	air	air	NOUN	Number=Sing	3 clean	obj
6	of	of	ADP	_	9 flat	case
7	a	a	DET	Definite=Ind PronType=Art	9 flat	det
8	whole	whole	ADJ	Degree=Pos	9 flat	amod
9	flat	flat	NOUN	Number=Sing	5 air	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	clean	present	Three plants	the air of a whole flat					vn other_cos-45.4 «NP V NP.patient»: agent=Agent air=Patient

Option 3

Plants take oxygen out of the air

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Plants	plant	NOUN	Number=Plur	2 take	nsubj
2	take	take	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
3	oxygen	oxygen	NOUN	Number=Sing	2 take	obj
4	out	out	ADP	_	7 air	case
5	of	of	ADP	_	7 air	case
6	the	the	DET	Definite=Def PronType=Art	7 air	det
7	air	air	NOUN	Number=Sing	2 take	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	take	present	Plants	oxygen		the air			vn bring-11.3 «NP V NP PP.initial_location»: agent=Agent oxygen=Theme out air=Initial_Location

Option 4

Plants only clean the air at night

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Plants	plant	NOUN	Number=Plur	3 clean	nsubj
2	only	only	ADV	_	3 clean	advmod
3	clean	clean	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
4	the	the	DET	Definite=Def PronType=Art	5 air	det
5	air	air	NOUN	Number=Sing	3 clean	obj
6	at	at	ADP	_	7 night	case
7	night	night	NOUN	Number=Sing	3 clean	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	clean	present	Plants	the air			night		vn other_cos-45.4 «NP V NP.patient»: agent=Agent air=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.

This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/33-the-air-we-breathe/t4/