Test 10 · ★ · Changes you can undo and changes you can't

Is boiling water a reversible change?

Mova's choice: option 2 · The right answer: option 2 · right ✓ · What happens: boil

This is test 10 · ★ of lesson 9 «Changes you can undo and changes you can't» 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	Is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	2 boiling	aux
2	boiling	boil	VERB	VerbForm=Ger	3 water	amod
3	water	water	NOUN	Number=Sing	6 change	nsubj
4	a	a	DET	Definite=Ind PronType=Art	6 change	det
5	reversible	reversible	ADJ	Degree=Pos	6 change	amod
6	change	change	NOUN	Number=Sing	root	root
7	?	?	PUNCT	_	6 change	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	boil	present · progressive							vn cooking-45.3 «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.

The options

Option 1

No, steam is a totally new substance

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	No	no	INTJ	Polarity=Neg	8 substance	discourse
2	,	,	PUNCT	_	1 No	punct
3	steam	steam	NOUN	Number=Sing	8 substance	nsubj
4	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	8 substance	cop
5	a	a	DET	Definite=Ind PronType=Art	8 substance	det
6	totally	totally	ADV	_	7 new	advmod
7	new	new	ADJ	Degree=Pos	8 substance	amod
8	substance	substance	NOUN	Number=Sing	root	root

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is a	present	steam	a new substance					tree rules

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

Yes, steam condenses back to water

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Yes	yes	INTJ	Polarity=Pos	4 condenses	discourse
2	,	,	PUNCT	_	1 Yes	punct
3	steam	steam	NOUN	Number=Sing	4 condenses	nsubj
4	condenses	condense	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
5	back	back	ADV	_	4 condenses	advmod
6	to	to	ADP	_	7 water	case
7	water	water	NOUN	Number=Sing	4 condenses	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	condense back	present	steam					to water	vn other_cos-45.4 «NP.patient V»: agent=Patient

Option 3

Only high up on a tall mountain top

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Only	only	ADV	_	3 up	advmod
2	high	high	ADV	Degree=Pos	3 up	advmod
3	up	up	ADV	_	root	root
4	on	on	ADP	_	8 top	case
5	a	a	DET	Definite=Ind PronType=Art	8 top	det
6	tall	tall	ADJ	Degree=Pos	8 top	amod
7	mountain	mountain	NOUN	Number=Sing	8 top	compound
8	top	top	NOUN	Number=Sing	3 up	obl

The frames reader finds no event or fact in this sentence.

Option 4

No, boiling destroys the water for good, so it is gone

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	No	no	INTJ	Polarity=Neg	4 destroys	discourse
2	,	,	PUNCT	_	1 No	punct
3	boiling	boiling	NOUN	Number=Sing	4 destroys	nsubj
4	destroys	destroy	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
5	the	the	DET	Definite=Def PronType=Art	6 water	det
6	water	water	NOUN	Number=Sing	4 destroys	obj
7	for	for	ADP	_	8 good	case
8	good	good	ADJ	Degree=Pos	4 destroys	obl
9	,	,	PUNCT	_	13 gone	punct
10	so	so	ADV	_	13 gone	advmod
11	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	13 gone	nsubj
12	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	13 gone	cop
13	gone	gone	ADJ	Degree=Pos	4 destroys	conj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	destroy	present	boiling	the water				for good	vn destroy-44 «NP V NP»: agent=Agent water=Patient
2	is	present	boiling					gone property	tree rules

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/t10/