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Test 5 · ★ · Changes you can undo and changes you can't

Your sister says: "A colour change always means a chemical change." Is that right?

Mova's choice: option 3 · The right answer: option 4 · wrong ✗ · Who acts: sister, colour change, that · What happens: say, mean, be · To what, where: chemical change · Speech: someone speaks here

This is test 5 · ★ 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

Sentence 1: Your sister says: "A colour change always means a chemical change."

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Your	your	PRON	Case=Gen Person=2 Poss=Yes PronType=Prs	2 sister	nmod:poss
2	sister	sister	NOUN	Number=Sing	3 says	nsubj
3	says	say	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	:	:	PUNCT	_	10 means	punct
5	"	"	PUNCT	_	10 means	punct
6	A	a	DET	Definite=Ind PronType=Art	8 change	det
7	colour	colour	NOUN	Number=Sing	8 change	compound
8	change	change	NOUN	Number=Sing	10 means	nsubj
9	always	always	ADV	PronType=Tot	10 means	advmod
10	means	mean	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 says	ccomp
11	a	a	DET	Definite=Ind PronType=Art	13 change	det
12	chemical	chemical	ADJ	Degree=Pos	13 change	amod
13	change	change	NOUN	Number=Sing	10 means	obj
14	.	.	PUNCT	_	3 says	punct
15	"	"	PUNCT	_	3 says	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	say speech: assert	present	Your sister						vn say-37.7-1-1 «NP V that S»: agent=Agent clause=Topic
2	mean in a quote	present	a colour change	a chemical change				always property	vn intend-61.2-1 «NP V NP»: agent=Agent change=Topic

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: Is that right?

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	3 right	cop
2	that	that	PRON	Number=Sing PronType=Dem	3 right	nsubj
3	right	right	ADJ	Degree=Pos	root	root
4	?	?	PUNCT	_	3 right	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	that					right property	tree rules

The options

Option 1

Yes, but only for red

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Yes	yes	INTJ	Polarity=Pos	6 red	discourse
2	,	,	PUNCT	_	1 Yes	punct
3	but	but	CCONJ	_	6 red	cc
4	only	only	ADV	_	6 red	advmod
5	for	for	ADP	_	6 red	case
6	red	red	ADJ	Degree=Pos	root	root

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

Option 2

No, colour never changes in chemistry

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	No	no	INTJ	Polarity=Neg	3 colour	discourse
2	,	,	PUNCT	_	1 No	punct
3	colour	colour	NOUN	Number=Sing	5 changes	nsubj
4	never	never	ADV	PronType=Neg	5 changes	advmod
5	changes	change	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
6	in	in	ADP	_	7 chemistry	case
7	chemistry	chemistry	NOUN	Number=Sing	5 changes	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	not change	present	colour			chemistry			vn dress-41.1.1-1-1 «NP V»: agent=Agent

Option 3 · ← Mova's choice

Yes, every colour change is chemical, even mixing paints

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Yes	yes	INTJ	Polarity=Pos	7 chemical	discourse
2	,	,	PUNCT	_	1 Yes	punct
3	every	every	DET	PronType=Tot	5 change	det
4	colour	colour	NOUN	Number=Sing	5 change	compound
5	change	change	NOUN	Number=Sing	7 chemical	nsubj
6	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	7 chemical	cop
7	chemical	chemical	ADJ	Degree=Pos	root	root
8	,	,	PUNCT	_	10 mixing	punct
9	even	even	ADV	_	10 mixing	advmod
10	mixing	mix	VERB	Tense=Pres VerbForm=Part	7 chemical	advcl
11	paints	paint	NOUN	Number=Plur	10 mixing	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	every colour change					chemical property	tree rules
2	mix	gerund	every colour change not said here	paints					vn mix-22.1-1-1 «NP V NP»: agent=Agent paint=Patient

Option 4 · ✓ the right answer

No, mixing paints changes colour without new substances

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	No	no	INTJ	Polarity=Neg	5 changes	discourse
2	,	,	PUNCT	_	3 mixing	punct
3	mixing	mix	VERB	VerbForm=Ger	5 changes	csubj
4	paints	paint	NOUN	Number=Plur	3 mixing	obj
5	changes	change	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
6	colour	colour	NOUN	Number=Sing	5 changes	obj
7	without	without	ADP	_	9 substances	case
8	new	new	ADJ	Degree=Pos	9 substances	amod
9	substances	substance	NOUN	Number=Plur	5 changes	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	mix	gerund		paints					vn mix-22.1-1-1 «NP V NP»: agent=Agent paint=Patient
2	change	present	mixing	colour				without new substances	vn dress-41.1.1-1-1 «NP V NP»: agent=Agent colour=Patient

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/t5/