Test 2 · ★★ · The air we breathe

If crisps were packed with ordinary air instead of nitrogen, what might happen?

Mova's choice: option 1 · The right answer: option 3 · wrong ✗ · Who acts: nitrogen · What happens: pack, happen · To what, where: crisps

This is test 2 · ★★ 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

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	If	if	SCONJ	_	4 packed	mark
2	crisps	crisp	NOUN	Number=Plur	4 packed	nsubj
3	were	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin	4 packed	aux:pass
4	packed	pack	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
5	with	with	ADP	_	7 air	case
6	ordinary	ordinary	ADJ	Degree=Pos	7 air	amod
7	air	air	NOUN	Number=Sing	4 packed	obl
8	instead	instead	ADV	ExtPos=ADP	10 nitrogen	case
9	of	of	ADP	_	8 instead	fixed
10	nitrogen	nitrogen	NOUN	Number=Sing	4 packed	obl
11	,	,	PUNCT	_	14 happen	punct
12	what	what	PRON	PronType=Int	14 happen	nsubj
13	might	might	AUX	VerbForm=Fin	14 happen	aux
14	happen	happen	VERB	VerbForm=Inf	10 nitrogen	acl:relcl
15	?	?	PUNCT	_	4 packed	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	pack	past · passive		crisps				with ordinary air; instead nitrogen	vn spray-9.7-1-1 «NP V NP.destination PP.theme»: subject=Destination with air=Theme
2	happen	might	nitrogen						vn occur-48.3-1 «NP V»: agent=Theme

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 · ← Mova's choice

They would get heavier

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	They	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	3 get	nsubj
2	would	would	AUX	VerbForm=Fin	3 get	aux
3	get	get	VERB	VerbForm=Inf	root	root
4	heavier	heavy	ADJ	Degree=Cmp	3 get	xcomp

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	get	would	They					heavy property	vn comprehend-87.2-1 «NP V S_ING»: agent=Experiencer

Option 2

They would turn into popcorn

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	They	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	3 turn	nsubj
2	would	would	AUX	VerbForm=Fin	3 turn	aux
3	turn	turn	VERB	VerbForm=Inf	root	root
4	into	into	ADP	_	5 popcorn	case
5	popcorn	popcorn	NOUN	Number=Sing	3 turn	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	turn	would	They			popcorn			vn roll-51.3.1 «NP V PP.trajectory»: agent=Theme into popcorn=Trajectory

Option 3 · ✓ the right answer

They might go stale faster

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	They	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	3 go	nsubj
2	might	might	AUX	VerbForm=Fin	3 go	aux
3	go	go	VERB	VerbForm=Inf	root	root
4	stale	stale	ADJ	Degree=Pos	3 go	xcomp
5	faster	fast	ADV	Degree=Cmp	3 go	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	go	might	They					fast, stale property	vn disappearance-48.2-1 «NP V»: agent=Theme

Option 4

They would stay fresh longer

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	They	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	3 stay	nsubj
2	would	would	AUX	VerbForm=Fin	3 stay	aux
3	stay	stay	VERB	VerbForm=Inf	root	root
4	fresh	fresh	ADJ	Degree=Pos	3 stay	xcomp
5	longer	long	ADV	Degree=Cmp	3 stay	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	stay	would	They					fresh, long property	vn exist-47.1 «NP 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.

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