Exam question 4 · Mixtures and how to separate them

Determine the appropriate method for the separation of iron filings from sand.

Mova's choice: option 1 · The right answer: option 1 · right ✓ · Who acts: you, iron filings · What happens: determine, separate · To what, where: appropriate method

This is exam question 4 of lesson 19 «Mixtures and how to separate them» of the world 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	Determine	determine	VERB	Mood=Imp VerbForm=Fin	root	root
2	the	the	DET	Definite=Def PronType=Art	4 method	det
3	appropriate	appropriate	ADJ	Degree=Pos	4 method	amod
4	method	method	NOUN	Number=Sing	1 Determine	obj
5	for	for	ADP	_	7 separation	case
6	the	the	DET	Definite=Def PronType=Art	7 separation	det
7	separation	separation	NOUN	Number=Sing	4 method	nmod
8	of	of	ADP	_	10 filings	case
9	iron	iron	NOUN	Number=Sing	10 filings	compound
10	filings	filing	NOUN	Number=Plur	7 separation	nmod
11	from	from	ADP	_	12 sand	case
12	sand	sand	NOUN	Number=Sing	10 filings	nmod
13	.	.	PUNCT	_	1 Determine	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	determine	imperative	you not said here	the appropriate method				for the separation of iron filings from sand	vn discover-84 «NP V NP»: agent=Agent method=Topic
2	separate		iron filings from sand						nom separation «state 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 · ← Mova's choice · ✓ the right answer

The application of a magnet

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 application	det
2	application	application	NOUN	Number=Sing	root	root
3	of	of	ADP	_	5 magnet	case
4	a	a	DET	Definite=Ind PronType=Art	5 magnet	det
5	magnet	magnet	NOUN	Number=Sing	2 application	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	apply		a magnet						nom application «act intransitive»: of=agent

Option 2

The addition of water and stirring

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 addition	det
2	addition	addition	NOUN	Number=Sing	root	root
3	of	of	ADP	_	4 water	case
4	water	water	NOUN	Number=Sing	2 addition	nmod
5	and	and	CCONJ	_	6 stirring	cc
6	stirring	stirring	NOUN	Number=Sing	2 addition	conj

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

Option 3

Filtration through paper

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Filtration	filtration	NOUN	Number=Sing	root	root
2	through	through	ADP	_	3 paper	case
3	paper	paper	NOUN	Number=Sing	1 Filtration	nmod

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

Option 4

Evaporation by heating

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Evaporation	evaporation	NOUN	Number=Sing	root	root
2	by	by	ADP	_	3 heating	case
3	heating	heating	NOUN	Number=Sing	1 Evaporation	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	evaporate		heating						nom evaporation «process transitive»: by=agent

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/e4/