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Test 8 · ★ · Molecules: when atoms join up

A struck match gives a sharp smell. Where does it come from?

Mova's choice: option 1 · The right answer: option 4 · wrong ✗ · Who acts: struck match, match · What happens: strike, give, come · To what, where: sharp smell

This is test 8 · ★ of lesson 3 «Molecules: when atoms join up» 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 struck match gives a sharp smell.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	A	a	DET	Definite=Ind PronType=Art	3 match	det
2	struck	strike	VERB	Tense=Past VerbForm=Part Voice=Pass	3 match	amod
3	match	match	NOUN	Number=Sing	4 gives	nsubj
4	gives	give	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
5	a	a	DET	Definite=Ind PronType=Art	7 smell	det
6	sharp	sharp	ADJ	Degree=Pos	7 smell	amod
7	smell	smell	NOUN	Number=Sing	4 gives	obj
8	.	.	PUNCT	_	4 gives	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	strike	participle							vn sound_emission-43.2 «NP V»: agent=Theme
2	give	present	a struck match	a sharp smell					vn give-13.1-1 «NP V NP»: agent=Agent smell=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: Where does it come from?

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Where	where	ADV	PronType=Rel	4 come	advmod
2	does	do	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 come	aux
3	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	4 come	nsubj
4	come	come	VERB	VerbForm=Inf	root	root
5	from	from	ADP	_	4 come	obl
6	?	?	PUNCT	_	4 come	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	come	present · do-support	match						vn escape-51.1-1 «NP V»: agent=Theme

The options

Option 1 · ← Mova's choice

The wood was always smelly inside, and the flame just lets it out

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 wood	det
2	wood	wood	NOUN	Number=Sing	5 smelly	nsubj
3	was	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin	5 smelly	cop
4	always	always	ADV	PronType=Tot	5 smelly	advmod
5	smelly	smelly	ADJ	Degree=Pos	root	root
6	inside	inside	ADV	_	5 smelly	advmod
7	,	,	PUNCT	_	12 lets	punct
8	and	and	CCONJ	_	12 lets	cc
9	the	the	DET	Definite=Def PronType=Art	10 flame	det
10	flame	flame	NOUN	Number=Sing	12 lets	nsubj
11	just	just	ADV	_	12 lets	advmod
12	lets	let	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	5 smelly	parataxis
13	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	12 lets	obj
14	out	out	ADP	_	12 lets	compound:prt

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	past	the wood					always, inside, smelly property	tree rules
2	let out	present	the flame	wood					vn give-13.1-1 «NP V NP»: agent=Agent it=Theme

Option 2

Your nose gets scratched by the flame

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Your	your	PRON	Case=Gen Person=2 Poss=Yes PronType=Prs	2 nose	nmod:poss
2	nose	nose	NOUN	Number=Sing	4 scratched	nsubj:pass
3	gets	get	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 scratched	aux:pass
4	scratched	scratch	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
5	by	by	ADP	_	7 flame	case
6	the	the	DET	Definite=Def PronType=Art	7 flame	det
7	flame	flame	NOUN	Number=Sing	4 scratched	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	scratch	present · passive	the flame	Your nose					vn scribble-25.2-1 «NP V NP»: agent=Agent subject=Theme

Option 3

Smoke is the only thing with no molecules

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Smoke	smoke	NOUN	Number=Sing	5 thing	nsubj
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	5 thing	cop
3	the	the	DET	Definite=Def PronType=Art	5 thing	det
4	only	only	ADJ	Degree=Pos	5 thing	amod
5	thing	thing	NOUN	Number=Sing	root	root
6	with	with	ADP	_	8 molecules	case
7	no	no	DET	PronType=Neg	8 molecules	det
8	molecules	molecule	NOUN	Number=Plur	5 thing	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is a	present	Smoke	the only thing				with no molecules	tree rules

Option 4 · ✓ the right answer

New gas molecules made by the burning, which your nose senses

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	New	new	ADJ	Degree=Pos	3 molecules	amod
2	gas	gas	NOUN	Number=Sing	3 molecules	compound
3	molecules	molecule	NOUN	Number=Plur	12 senses	nsubj
4	made	make	VERB	Tense=Past VerbForm=Part Voice=Pass	3 molecules	acl
5	by	by	ADP	_	7 burning	case
6	the	the	DET	Definite=Def PronType=Art	7 burning	det
7	burning	burning	NOUN	Number=Sing	4 made	obl
8	,	,	PUNCT	_	12 senses	punct
9	which	which	PRON	PronType=Rel	12 senses	obj
10	your	your	PRON	Case=Gen Person=2 Poss=Yes PronType=Prs	11 nose	nmod:poss
11	nose	nose	NOUN	Number=Sing	12 senses	nsubj
12	senses	sense	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	make	participle		New gas molecules not said here				by the burning	vn build-26.1-1 «NP.asset V NP»: agent=Asset
2	sense	present	New gas molecules						vn see-30.1-1 «NP V S»: agent=Experiencer which=Stimulus

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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