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Test 8 · ★★ · Mixtures and how to separate them

A girl wants pure water from salty water, not just the salt. What must she add to evaporating it?

Mova's choice: option 4 · The right answer: option 2 · wrong ✗ · Who acts: girl · What happens: want, add, evaporate · To what, where: pure water, salty water, water

This is test 8 · ★★ of lesson 19 «Mixtures and how to separate them» of the world 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: A girl wants pure water from salty water, not just the salt.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	A	a	DET	Definite=Ind PronType=Art	2 girl	det
2	girl	girl	NOUN	Number=Sing	3 wants	nsubj
3	wants	want	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	pure	pure	ADJ	Degree=Pos	5 water	amod
5	water	water	NOUN	Number=Sing	3 wants	obj
6	from	from	ADP	_	8 water	case
7	salty	salty	ADJ	Degree=Pos	8 water	amod
8	water	water	NOUN	Number=Sing	3 wants	obl
9	,	,	PUNCT	_	13 salt	punct
10	not	not	PART	Polarity=Neg	13 salt	advmod
11	just	just	ADV	_	13 salt	advmod
12	the	the	DET	Definite=Def PronType=Art	13 salt	det
13	salt	salt	NOUN	Number=Sing	8 water	conj
14	.	.	PUNCT	_	3 wants	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	want	present	a girl	pure water		salty water and the salt			vn want-32.1-1-1 «NP V NP ADV»: agent=Pivot water=Theme

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 must she add to evaporating it?

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	What	what	PRON	PronType=Rel	4 add	obl
2	must	must	AUX	VerbForm=Fin	4 add	aux
3	she	she	PRON	Case=Nom Gender=Fem Number=Sing Person=3 PronType=Prs	4 add	nsubj
4	add	add	VERB	VerbForm=Inf	root	root
5	to	to	SCONJ	_	6 evaporating	mark
6	evaporating	evaporate	VERB	Tense=Pres VerbForm=Part	4 add	advcl
7	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	6 evaporating	obj
8	?	?	PUNCT	_	4 add	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	add speech: assert	must	girl						vn mix-22.1-2 «NP V NP»: agent=Agent
2	evaporate	gerund	girl not said here	water					vn other_cos-45.4 «NP V NP.patient»: agent=Agent it=Patient

The options

Option 1

A piece of filter paper to catch the salt as it boils

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	A	a	DET	Definite=Ind PronType=Art	2 piece	det
2	piece	piece	NOUN	Number=Sing	7 catch	nsubj
3	of	of	ADP	_	5 paper	case
4	filter	filter	NOUN	Number=Sing	5 paper	compound
5	paper	paper	NOUN	Number=Sing	2 piece	nmod
6	to	to	PART	_	7 catch	mark
7	catch	catch	VERB	VerbForm=Inf	root	root
8	the	the	DET	Definite=Def PronType=Art	9 salt	det
9	salt	salt	NOUN	Number=Sing	7 catch	obj
10	as	as	SCONJ	_	12 boils	mark
11	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	12 boils	nsubj
12	boils	boil	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	7 catch	advcl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	catch	to-infinitive	a piece of filter paper	the salt					vn get-13.5.1 «NP V NP»: agent=Agent salt=Theme
2	boil	present	piece						vn cooking-45.3 «NP.patient V»: agent=Patient

Option 2 · ✓ the right answer

A cold surface to catch the vapour and condense it

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	A	a	DET	Definite=Ind PronType=Art	3 surface	det
2	cold	cold	ADJ	Degree=Pos	3 surface	amod
3	surface	surface	NOUN	Number=Sing	root	root
4	to	to	PART	_	5 catch	mark
5	catch	catch	VERB	VerbForm=Inf	3 surface	acl
6	the	the	DET	Definite=Def PronType=Art	7 vapour	det
7	vapour	vapour	NOUN	Number=Sing	5 catch	obj
8	and	and	CCONJ	_	9 condense	cc
9	condense	condense	VERB	VerbForm=Inf	5 catch	conj
10	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	9 condense	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	catch	to-infinitive		the vapour					vn get-13.5.1 «NP V NP»: agent=Agent vapour=Theme
2	condense	infinitive		vapour					vn other_cos-45.4 «NP V NP.patient»: agent=Agent it=Patient

Option 3

A strong magnet

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	A	a	DET	Definite=Ind PronType=Art	3 magnet	det
2	strong	strong	ADJ	Degree=Pos	3 magnet	amod
3	magnet	magnet	NOUN	Number=Sing	root	root

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

Option 4 · ← Mova's choice

More salt

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	More	more	ADJ	Degree=Cmp	2 salt	amod
2	salt	salt	NOUN	Number=Sing	root	root

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

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/world/19-mixtures-and-separating/t8/