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Test 7 · Plastics: useful and stubborn

Mia says plastic is made from melted sand. What's true?

Mova's choice: option 1 · The right answer: option 4 · wrong ✗ · Who acts: Mia · What happens: say, make, melt, be · To what, where: plastic, melted sand · Speech: someone speaks here

This is test 7 of lesson 29 «Plastics: useful and stubborn» 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: Mia says plastic is made from melted sand.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Mia	Mia	PROPN	Number=Sing	2 says	nsubj
2	says	say	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	plastic	plastic	NOUN	Number=Sing	5 made	nsubj:pass
4	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	5 made	aux:pass
5	made	make	VERB	Tense=Past VerbForm=Part Voice=Pass	2 says	ccomp
6	from	from	ADP	_	8 sand	case
7	melted	melt	VERB	Tense=Past VerbForm=Part Voice=Pass	8 sand	amod
8	sand	sand	NOUN	Number=Sing	5 made	obl
9	.	.	PUNCT	_	2 says	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	say speech: assert	present	Mia						vn say-37.7-1-1 «NP V that S»: agent=Agent clause=Topic
2	make	present · passive		plastic		melted sand			vn build-26.1-1 «NP.asset V PP»: subject=Product from sand=Material
3	melt	participle							vn other_cos-45.4-1 «NP.patient V»: agent=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 · ← Mova's choice

Plastic is made from melted metal

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Plastic	plastic	NOUN	Number=Sing	3 made	nsubj:pass
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 made	aux:pass
3	made	make	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
4	from	from	ADP	_	6 metal	case
5	melted	melt	VERB	Tense=Past VerbForm=Part Voice=Pass	6 metal	amod
6	metal	metal	NOUN	Number=Sing	3 made	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	make	present · passive		Plastic		melted metal			vn build-26.1-1 «NP.asset V PP»: subject=Product from metal=Material
2	melt	participle							vn other_cos-45.4-1 «NP.patient V»: agent=Patient

Option 2

Plastic is made from tree bark

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Plastic	plastic	NOUN	Number=Sing	3 made	nsubj:pass
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 made	aux:pass
3	made	make	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
4	from	from	ADP	_	6 bark	case
5	tree	tree	NOUN	Number=Sing	6 bark	compound
6	bark	bark	NOUN	Number=Sing	3 made	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	make	present · passive		Plastic		tree bark			vn build-26.1-1 «NP.asset V PP»: subject=Product from bark=Material

Option 3

She's right, sand melts into plastic

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	She	she	PRON	Case=Nom Gender=Fem Number=Sing Person=3 PronType=Prs	3 right	nsubj
2	's	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 right	cop
3	right	right	ADJ	Degree=Pos	root	root
4	,	,	PUNCT	_	6 melts	punct
5	sand	sand	NOUN	Number=Sing	6 melts	nsubj
6	melts	melt	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 right	conj
7	into	into	ADP	_	8 plastic	case
8	plastic	plastic	NOUN	Number=Sing	6 melts	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	She					right property	tree rules
2	melt	present	sand			plastic			vn knead-26.5 «NP.material V PP.product»: agent=Material into plastic=Product

Option 4 · ✓ the right answer

Most plastic comes from oil and gas

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Most	most	ADJ	Degree=Sup	2 plastic	amod
2	plastic	plastic	NOUN	Number=Sing	3 comes	nsubj
3	comes	come	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	from	from	ADP	_	5 oil	case
5	oil	oil	NOUN	Number=Sing	3 comes	obl
6	and	and	CCONJ	_	7 gas	cc
7	gas	gas	NOUN	Number=Sing	5 oil	conj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	come	present	Most plastic			oil and gas			vn escape-51.1-1 «NP V PP.initial_location»: agent=Theme from oil=Initial_Location

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/t7/