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Test 4 · Separating mixtures

A detective cartoon says "every black pen has the same ink, so we can't tell which wrote the note." What's wrong?

Mova's choice: option 2 · The right answer: option 2 · right ✓ · Who acts: detective cartoon, black pen, we · What happens: say, have, not tell, write, be · To what, where: same ink, note · Speech: someone speaks here

This is test 4 of lesson 8 «Separating mixtures» 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: A detective cartoon says "every black pen has the same ink, so we can't tell which wrote the note."

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	A	a	DET	Definite=Ind PronType=Art	3 cartoon	det
2	detective	detective	NOUN	Number=Sing	3 cartoon	compound
3	cartoon	cartoon	NOUN	Number=Sing	4 says	nsubj
4	says	say	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
5	"	"	PUNCT	_	9 has	punct
6	every	every	DET	PronType=Tot	8 pen	det
7	black	black	ADJ	Degree=Pos	8 pen	amod
8	pen	pen	NOUN	Number=Sing	9 has	nsubj
9	has	have	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 says	ccomp
10	the	the	DET	Definite=Def PronType=Art	12 ink	det
11	same	same	ADJ	Degree=Pos	12 ink	amod
12	ink	ink	NOUN	Number=Sing	9 has	obj
13	,	,	PUNCT	_	18 tell	punct
14	so	so	ADV	_	18 tell	advmod
15	we	we	PRON	Case=Nom Number=Plur Person=1 PronType=Prs	18 tell	nsubj
16	ca	can	AUX	VerbForm=Fin	18 tell	aux
17	n't	not	PART	Polarity=Neg	18 tell	advmod
18	tell	tell	VERB	VerbForm=Inf	4 says	parataxis
19	which	which	PRON	PronType=Rel	20 wrote	nsubj
20	wrote	write	VERB	Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin	18 tell	ccomp
21	the	the	DET	Definite=Def PronType=Art	22 note	det
22	note	note	NOUN	Number=Sing	20 wrote	obj
23	.	.	PUNCT	_	18 tell	punct
24	"	"	PUNCT	_	18 tell	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	say speech: assert	present	a detective cartoon						vn say-37.7-1-1 «NP V that S»: agent=Agent clause=Topic
2	have in a quote	present	every black pen	the same ink					vn birth-28.2-1 «NP V NP»: agent=Agent ink=Patient
3	not tell speech: assert in a quote	can	we						vn transfer_mesg-37.1.1-1-1 «NP V how S»: agent=Agent clause=Topic
4	write in a quote	past		the note					vn scribble-25.2-1 «NP V NP»: agent=Agent note=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's wrong?

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	What	what	PRON	PronType=Int	3 wrong	nsubj
2	's	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 wrong	cop
3	wrong	wrong	ADJ	Degree=Pos	root	root
4	?	?	PUNCT	_	3 wrong	punct

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

The options

Option 1

Pens can only be told apart by their smell

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Pens	pen	NOUN	Number=Plur	5 told	nsubj:pass
2	can	can	AUX	VerbForm=Fin	5 told	aux
3	only	only	ADV	_	5 told	advmod
4	be	be	AUX	VerbForm=Inf	5 told	aux:pass
5	told	tell	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
6	apart	apart	ADV	_	5 told	advmod
7	by	by	ADP	_	9 smell	case
8	their	their	PRON	Case=Gen Number=Plur Person=3 Poss=Yes PronType=Prs	9 smell	nmod:poss
9	smell	smell	NOUN	Number=Sing	5 told	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	tell apart speech: assert	can · passive	Pens's smell	Pens				apart property	vn distinguish-23.5 «NP V NP»: agent=Agent subject=Theme
2	smell		Pens = pen						nom smell «cognition intransitive»: poss=agent

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

Chromatography can show which colours are in each pen's ink

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Chromatography	chromatography	NOUN	Number=Sing	3 show	nsubj
2	can	can	AUX	VerbForm=Fin	3 show	aux
3	show	show	VERB	VerbForm=Inf	root	root
4	which	which	DET	PronType=Int	5 colours	det
5	colours	colour	NOUN	Number=Plur	11 ink	nsubj
6	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	11 ink	cop
7	in	in	ADP	_	11 ink	case
8	each	each	DET	PronType=Tot	9 pen	det
9	pen	pen	NOUN	Number=Sing	11 ink	nmod:poss
10	's	's	PART	_	9 pen	case
11	ink	ink	NOUN	Number=Sing	3 show	ccomp

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	show	can	Chromatography						vn transfer_mesg-37.1.1-1-1 «NP V»: agent=Agent
2	is	present	which colours			each pen's ink			tree rules

Option 3

Nothing, because every black ink in the world is exactly the same

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Nothing	nothing	PRON	Number=Sing PronType=Neg	13 same	nsubj
2	,	,	PUNCT	_	6 ink	punct
3	because	because	ADP	ExtPos=ADP	6 ink	case
4	every	every	DET	PronType=Tot	6 ink	det
5	black	black	ADJ	Degree=Pos	6 ink	amod
6	ink	ink	NOUN	Number=Sing	1 Nothing	appos
7	in	in	ADP	_	9 world	case
8	the	the	DET	Definite=Def PronType=Art	9 world	det
9	world	world	NOUN	Number=Sing	6 ink	nmod
10	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	13 same	cop
11	exactly	exactly	ADV	_	13 same	advmod
12	the	the	DET	Definite=Def PronType=Art	13 same	det
13	same	same	ADJ	Degree=Pos	root	root

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	Nothing					exactly, same property	tree rules

Option 4

Ink can only be tested with fire

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Ink	ink	NOUN	Number=Sing	5 tested	nsubj:pass
2	can	can	AUX	VerbForm=Fin	5 tested	aux
3	only	only	ADV	_	5 tested	advmod
4	be	be	AUX	VerbForm=Inf	5 tested	aux:pass
5	tested	test	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
6	with	with	ADP	_	7 fire	case
7	fire	fire	NOUN	Number=Sing	5 tested	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	test	can · passive		Ink				with fire	vn assessment-34.1 «NP V NP»: subject=Theme

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/8-separating-mixtures/t4/