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Test 4 · Metals and what they're good for

"pure gold is the best for rings, it's the hardest metal". What's true?

Mova's choice: option 3 · The right answer: option 1 · wrong ✗ · Who acts: pure gold, best · What happens: be · To what, where: hardest metal

This is test 4 of lesson 31 «Metals and what they're good for» 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: "pure gold is the best for rings, it's the hardest metal".

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	"	"	PUNCT	_	6 best	punct
2	pure	pure	ADJ	Degree=Pos	3 gold	amod
3	gold	gold	NOUN	Number=Sing	6 best	nsubj
4	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	6 best	cop
5	the	the	DET	Definite=Def PronType=Art	6 best	det
6	best	good	ADJ	Degree=Sup	14 metal	nsubj
7	for	for	ADP	_	8 rings	case
8	rings	ring	NOUN	Number=Plur	6 best	nmod
9	,	,	PUNCT	_	6 best	punct
10	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	14 metal	nsubj
11	's	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	14 metal	cop
12	the	the	DET	Definite=Def PronType=Art	14 metal	det
13	hardest	hard	ADJ	Degree=Sup	14 metal	amod
14	metal	metal	NOUN	Number=Sing	root	root
15	"	"	PUNCT	_	14 metal	punct
16	.	.	PUNCT	_	14 metal	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is in a quote	present	pure gold					for rings; good property	tree rules
2	is a in a quote	present	the best	the hardest metal					tree rules

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 true?

The words, one row each (CoNLL-U)

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

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

The options

Option 1 · ✓ the right answer

Pure gold is soft and scratches easily

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Pure	pure	ADJ	Degree=Pos	2 gold	amod
2	gold	gold	NOUN	Number=Sing	4 soft	nsubj
3	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 soft	cop
4	soft	soft	ADJ	Degree=Pos	root	root
5	and	and	CCONJ	_	6 scratches	cc
6	scratches	scratch	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 soft	conj
7	easily	easily	ADV	_	6 scratches	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	Pure gold					soft property	tree rules
2	scratch	present	Pure gold not said here					easily property	vn scribble-25.2-1 «NP V»: agent=Agent

Option 2

Pure gold never bends at all

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Pure	pure	ADJ	Degree=Pos	2 gold	amod
2	gold	gold	NOUN	Number=Sing	4 bends	nsubj
3	never	never	ADV	PronType=Neg	4 bends	advmod
4	bends	bend	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
5	at	at	ADP	_	6 all	case
6	all	all	DET	PronType=Tot	4 bends	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	not bend	present	Pure gold			all			vn assuming_position-50 «NP V PP.location»: agent=Agent at all=Location

Option 3 · ← Mova's choice

Pure gold is the hardest metal

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Pure	pure	ADJ	Degree=Pos	2 gold	amod
2	gold	gold	NOUN	Number=Sing	6 metal	nsubj
3	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	6 metal	cop
4	the	the	DET	Definite=Def PronType=Art	6 metal	det
5	hardest	hard	ADJ	Degree=Sup	6 metal	amod
6	metal	metal	NOUN	Number=Sing	root	root

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is a	present	Pure gold	the hardest metal					tree rules

Option 4

Pure gold can cut glass

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Pure	pure	ADJ	Degree=Pos	2 gold	amod
2	gold	gold	NOUN	Number=Sing	4 cut	nsubj
3	can	can	AUX	VerbForm=Fin	4 cut	aux
4	cut	cut	VERB	VerbForm=Inf	root	root
5	glass	glass	NOUN	Number=Sing	4 cut	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	cut	can	Pure gold	glass					vn build-26.1-1 «NP.material V NP»: agent=Material glass=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.

This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/31-metals-what-theyre-good-for/t4/