Exam question 4 · Plastics: useful and stubborn

Select the response that is consistent with the established facts concerning the combustion of plastics.

Mova's choice: option 2 · The right answer: option 4 · wrong ✗ · Who acts: you, response, established facts, plastics · What happens: select, be, establish, concern, combust · To what, where: response, combustion

This is exam question 4 of lesson 29 «Plastics: useful and stubborn» of the chemistry course of Mova's primary school, asked in stiff, formal language. 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	Select	select	VERB	Mood=Imp VerbForm=Fin	root	root
2	the	the	DET	Definite=Def PronType=Art	3 response	det
3	response	response	NOUN	Number=Sing	1 Select	obj
4	that	that	PRON	PronType=Rel	6 consistent	nsubj
5	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	6 consistent	cop
6	consistent	consistent	ADJ	Degree=Pos	3 response	acl:relcl
7	with	with	ADP	_	10 facts	case
8	the	the	DET	Definite=Def PronType=Art	10 facts	det
9	established	establish	VERB	Tense=Past VerbForm=Part Voice=Pass	10 facts	amod
10	facts	fact	NOUN	Number=Plur	6 consistent	obl
11	concerning	concern	VERB	VerbForm=Ger	10 facts	acl
12	the	the	DET	Definite=Def PronType=Art	13 combustion	det
13	combustion	combustion	NOUN	Number=Sing	11 concerning	obj
14	of	of	ADP	_	15 plastics	case
15	plastics	plastic	NOUN	Number=Plur	13 combustion	nmod
16	.	.	PUNCT	_	1 Select	punct

#	verb	tense, mood	who	what, whom	other	roles by
1	select	imperative	you not said here	the response		vn obtain-13.5.2 «NP V NP»: agent=Agent response=Theme
2	is	present	the response		with the established facts; consistent property	tree rules
3	establish	participle				vn indicate-78-1-1 «NP V NP to be NP»: agent=Pivot
4	concern	gerund	the established facts not said here	the combustion of plastics		vn amuse-31.1 «NP V NP»: agent=Stimulus combustion=Experiencer
5	combust		plastics			nom combustion «process intransitive»: of=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 process is entirely free of hazard

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 process	det
2	process	process	NOUN	Number=Sing	5 free	nsubj
3	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	5 free	cop
4	entirely	entirely	ADV	_	5 free	advmod
5	free	free	ADJ	Degree=Pos	root	root
6	of	of	ADP	_	7 hazard	case
7	hazard	hazard	NOUN	Number=Sing	5 free	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	the process					of hazard; entirely, free property	tree rules

Option 2 · ← Mova's choice

The plastic is converted into oil

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 plastic	det
2	plastic	plastic	NOUN	Number=Sing	4 converted	nsubj:pass
3	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 converted	aux:pass
4	converted	convert	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
5	into	into	ADP	_	6 oil	case
6	oil	oil	NOUN	Number=Sing	4 converted	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	convert	present · passive		the plastic				into oil result	vn turn-26.6.1-1 «NP V NP.patient PP.result»: subject=Patient into oil=Result

Option 3

Only pure water vapour is produced

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Only	only	ADV	_	4 vapour	advmod
2	pure	pure	ADJ	Degree=Pos	4 vapour	amod
3	water	water	NOUN	Number=Sing	4 vapour	compound
4	vapour	vapour	NOUN	Number=Sing	6 produced	nsubj:pass
5	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	6 produced	aux:pass
6	produced	produce	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	produce	present · passive		pure water vapour					vn create-26.4 «NP V NP»: subject=Result

Option 4 · ✓ the right answer

Poisonous fumes are liberated

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Poisonous	Poisonous	PROPN	Number=Sing	2 fumes	compound
2	fumes	fume	NOUN	Number=Plur	4 liberated	nsubj:pass
3	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	4 liberated	aux:pass
4	liberated	liberate	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	liberate	present · passive		Poisonous fumes					vn steal-10.5 «NP V NP»: subject=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/chemistry/29-plastics-useful-stubborn/e4/