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Exam question 3 · Dyes, inks and colouring

It is given that William Perkin, in 1856, produced a purple dye. Select the statement consistent with the established facts.

Mova's choice: option 1 · The right answer: option 1 · right ✓ · Who acts: William Perkin, you · What happens: give, produce, select, establish · To what, where: It, purple dye, statement

This is exam question 3 of lesson 27 «Dyes, inks and colouring» 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

Sentence 1: It is given that William Perkin, in 1856, produced a purple dye.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	It	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	3 given	nsubj:pass
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 given	aux:pass
3	given	give	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
4	that	that	SCONJ	_	11 produced	mark
5	William	William	PROPN	Number=Sing	6 Perkin	compound
6	Perkin	Perkin	PROPN	Number=Sing	11 produced	nsubj
7	,	,	PUNCT	_	9 1856	punct
8	in	in	ADP	_	9 1856	case
9	1856	1856	NUM	NumForm=Digit NumType=Card	6 Perkin	appos
10	,	,	PUNCT	_	6 Perkin	punct
11	produced	produce	VERB	Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin	3 given	advcl
12	a	a	DET	Definite=Ind PronType=Art	14 dye	det
13	purple	purple	ADJ	Degree=Pos	14 dye	amod
14	dye	dye	NOUN	Number=Sing	11 produced	obj
15	.	.	PUNCT	_	3 given	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	give	present · passive		It					vn give-13.1-1 «NP V NP»: subject=Theme
2	produce	past	William Perkin	a purple dye					vn create-26.4 «NP V NP»: agent=Agent dye=Result

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: Select the statement consistent with the established facts.

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 statement	det
3	statement	statement	NOUN	Number=Sing	1 Select	obj
4	consistent	consistent	ADJ	Degree=Pos	1 Select	xcomp
5	with	with	ADP	_	8 facts	case
6	the	the	DET	Definite=Def PronType=Art	8 facts	det
7	established	establish	VERB	Tense=Past VerbForm=Part Voice=Pass	8 facts	amod
8	facts	fact	NOUN	Number=Plur	4 consistent	obl
9	.	.	PUNCT	_	1 Select	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	select	imperative	you not said here	the statement				consistent property	vn obtain-13.5.2 «NP V NP»: agent=Agent statement=Theme
2	establish	participle							vn indicate-78-1-1 «NP V NP to be NP»: agent=Pivot

The options

Option 1 · ← Mova's choice · ✓ the right answer

The discovery was accidental, during an attempt to make a medicine

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 discovery	det
2	discovery	discovery	NOUN	Number=Sing	4 accidental	nsubj
3	was	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin	4 accidental	cop
4	accidental	accidental	ADJ	Degree=Pos	root	root
5	,	,	PUNCT	_	8 attempt	punct
6	during	during	ADP	_	8 attempt	case
7	an	a	DET	Definite=Ind PronType=Art	8 attempt	det
8	attempt	attempt	NOUN	Number=Sing	4 accidental	obl
9	to	to	PART	_	10 make	mark
10	make	make	VERB	VerbForm=Inf	8 attempt	acl
11	a	a	DET	Definite=Ind PronType=Art	12 medicine	det
12	medicine	medicine	NOUN	Number=Sing	10 make	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	past	the discovery				during a attempt	accidental property	tree rules
2	make	to-infinitive	the discovery not said here	a medicine					vn build-26.1-1 «NP.asset V NP»: agent=Asset medicine=Product

Option 2

The dye was obtained from onion skins

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 dye	det
2	dye	dye	NOUN	Number=Sing	4 obtained	nsubj:pass
3	was	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin	4 obtained	aux:pass
4	obtained	obtain	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
5	from	from	ADP	_	7 skins	case
6	onion	onion	NOUN	Number=Sing	7 skins	compound
7	skins	skin	NOUN	Number=Plur	4 obtained	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	obtain	past · passive		the dye		onion skins			vn obtain-13.5.2-1 «NP V NP PP.source»: subject=Theme from skin=Source

Option 3

The dye was extracted from sea snails

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 dye	det
2	dye	dye	NOUN	Number=Sing	4 extracted	nsubj:pass
3	was	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin	4 extracted	aux:pass
4	extracted	extract	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
5	from	from	ADP	_	7 snails	case
6	sea	sea	NOUN	Number=Sing	7 snails	compound
7	snails	snail	NOUN	Number=Plur	4 extracted	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	extract	past · passive		the dye				from sea snails	vn remove-10.1 «NP V NP PP»: subject=Theme from snail=Initial_Location

Option 4

The discovery was made at an advanced age

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 discovery	det
2	discovery	discovery	NOUN	Number=Sing	4 made	nsubj
3	was	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin	4 made	aux:pass
4	made	make	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
5	at	at	ADP	_	8 age	case
6	an	a	DET	Definite=Ind PronType=Art	8 age	det
7	advanced	advanced	ADJ	Degree=Pos	8 age	amod
8	age	age	NOUN	Number=Sing	4 made	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	make	past · passive		the discovery			at a advanced age		vn build-26.1-1 «NP.asset V NP»: subject=Product

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.

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