Exam question 3 · Changes you can undo and changes you can't

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

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

This is exam question 3 of lesson 9 «Changes you can undo and changes you can't» 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 paper	case
15	paper	paper	NOUN	Number=Sing	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 paper		vn amuse-31.1 «NP V NP»: agent=Stimulus combustion=Experiencer
5	combust		paper			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 paper may be restored by cooling the ash

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 paper	det
2	paper	paper	NOUN	Number=Sing	5 restored	nsubj:pass
3	may	may	AUX	VerbForm=Fin	5 restored	aux
4	be	be	AUX	VerbForm=Inf	5 restored	aux:pass
5	restored	restore	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
6	by	by	SCONJ	_	7 cooling	mark
7	cooling	cool	VERB	Tense=Pres VerbForm=Part	5 restored	advcl
8	the	the	DET	Definite=Def PronType=Art	9 ash	det
9	ash	ash	NOUN	Number=Sing	7 cooling	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	restore	may · passive		the paper					vn contribute-13.2 «NP V NP.theme (PP)»: subject=Theme
2	cool	gerund		the ash					vn other_cos-45.4 «NP V NP.patient»: agent=Agent ash=Patient

Option 2 · ← Mova's choice · ✓ the right answer

New substances are produced, the atoms of the paper being combined with oxygen

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	New	new	ADJ	Degree=Pos	2 substances	amod
2	substances	substance	NOUN	Number=Plur	4 produced	nsubj:pass
3	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	4 produced	aux:pass
4	produced	produce	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
5	,	,	PUNCT	_	12 combined	punct
6	the	the	DET	Definite=Def PronType=Art	7 atoms	det
7	atoms	atom	NOUN	Number=Plur	12 combined	nsubj:pass
8	of	of	ADP	_	10 paper	case
9	the	the	DET	Definite=Def PronType=Art	10 paper	det
10	paper	paper	NOUN	Number=Sing	7 atoms	nmod
11	being	be	AUX	Tense=Pres VerbForm=Part	12 combined	aux:pass
12	combined	combine	VERB	Tense=Past VerbForm=Part Voice=Pass	4 produced	conj
13	with	with	ADP	_	14 oxygen	case
14	oxygen	oxygen	NOUN	Number=Sing	12 combined	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	produce	present · passive		New substances					vn create-26.4 «NP V NP»: subject=Result
2	combine	gerund · passive		the atoms of the paper				with oxygen	vn mix-22.1-1-1 «NP V NP PP.co-patient»: subject=Patient with oxygen=Co-Patient

Option 3

The atoms of the paper are wholly annihilated by the heat of the flame and cease to exist

The tree, 18 words

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 atoms	det
2	atoms	atom	NOUN	Number=Plur	8 annihilated	nsubj:pass
3	of	of	ADP	_	5 paper	case
4	the	the	DET	Definite=Def PronType=Art	5 paper	det
5	paper	paper	NOUN	Number=Sing	2 atoms	nmod
6	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	8 annihilated	aux:pass
7	wholly	wholly	ADV	_	8 annihilated	advmod
8	annihilated	annihilate	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
9	by	by	ADP	_	11 heat	case
10	the	the	DET	Definite=Def PronType=Art	11 heat	det
11	heat	heat	NOUN	Number=Sing	8 annihilated	obl
12	of	of	ADP	_	14 flame	case
13	the	the	DET	Definite=Def PronType=Art	14 flame	det
14	flame	flame	NOUN	Number=Sing	11 heat	nmod
15	and	and	CCONJ	_	16 cease	cc
16	cease	cease	NOUN	Number=Sing	11 heat	conj
17	to	to	PART	_	18 exist	mark
18	exist	exist	VERB	VerbForm=Inf	8 annihilated	advcl

#	verb	tense, mood	who	what, whom	other	roles by
1	annihilate	present · passive	the heat of the flame and cease	the atoms of the paper	wholly property	vn destroy-44 «NP V NP»: agent=Agent subject=Patient
2	exist	to-infinitive	the heat of the flame and cease not said here			vn exist-47.1 «NP V»: agent=Theme
3	heat		the flame			nom heat «phenomenon intransitive»: of=agent

Option 4

The paper is converted into pure water

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 paper	det
2	paper	paper	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	_	7 water	case
6	pure	pure	ADJ	Degree=Pos	7 water	amod
7	water	water	NOUN	Number=Sing	4 converted	obl

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

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/9-changes-you-can-and-cannot-undo/e3/