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Test 10 · ★★★ · Olympiad: kitchen chemistry puzzles ★★★

Ella wants to show her class the salt hidden in salty water, safely. Which plan works?

Mova's choice: option 3 · The right answer: option 2 · wrong ✗ · Who acts: Ella, plan · What happens: want, show, hide, work · To what, where: class, salt, salty water

This is test 10 · ★★★ of lesson 36 «Olympiad: kitchen chemistry puzzles ★★★» 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: Ella wants to show her class the salt hidden in salty water, safely.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Ella	Ella	PROPN	Number=Sing	2 wants	nsubj
2	wants	want	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	to	to	PART	_	4 show	mark
4	show	show	VERB	VerbForm=Inf	2 wants	xcomp
5	her	her	PRON	Case=Gen Gender=Fem Number=Sing Person=3 Poss=Yes PronType=Prs	6 class	nmod:poss
6	class	class	NOUN	Number=Sing	4 show	obj
7	the	the	DET	Definite=Def PronType=Art	8 salt	det
8	salt	salt	NOUN	Number=Sing	4 show	obj
9	hidden	hide	VERB	Tense=Past VerbForm=Part Voice=Pass	8 salt	acl
10	in	in	ADP	_	12 water	case
11	salty	salty	ADJ	Degree=Pos	12 water	amod
12	water	water	NOUN	Number=Sing	9 hidden	obl
13	,	,	PUNCT	_	14 safely	punct
14	safely	safely	ADV	_	4 show	advmod
15	.	.	PUNCT	_	2 wants	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	want	present	Ella						vn want-32.1-1-1 «NP V NP S_INF»: agent=Pivot clause=Theme
2	show not said to happen	to-infinitive	Ella not said here	Ella's class				safely property	vn transfer_mesg-37.1.1-1-1 «NP V NP-Dative NP»: agent=Agent class=Recipient salt=Topic
3	hide	participle		the salt not said here		salty water			vn concealment-16-1 «NP V PP.location»: agent=Agent in water=Location

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: Which plan works?

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Which	which	DET	PronType=Int	2 plan	det
2	plan	plan	NOUN	Number=Sing	3 works	nsubj
3	works	work	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	?	?	PUNCT	_	3 works	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	work	present	which plan						vn employment-95.3 «NP V»: agent=Agent

The options

Option 1

Freeze it, then pick out the salt cubes

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Freeze	freeze	VERB	Mood=Imp VerbForm=Fin	root	root
2	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	1 Freeze	obj
3	,	,	PUNCT	_	5 pick	punct
4	then	then	ADV	PronType=Dem	5 pick	advmod
5	pick	pick	VERB	Mood=Imp VerbForm=Fin	1 Freeze	parataxis
6	out	out	ADP	_	5 pick	compound:prt
7	the	the	DET	Definite=Def PronType=Art	9 cubes	det
8	salt	salt	NOUN	Number=Sing	9 cubes	compound
9	cubes	cube	NOUN	Number=Plur	5 pick	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	freeze	imperative	you not said here	it					vn other_cos-45.4-1 «NP V NP ADJ»: agent=Patient it=Result
2	pick out	infinitive		the salt cubes			then		vn chew-39.2 «NP V NP»: agent=Agent cube=Patient

Option 2 · ✓ the right answer

Pour it into a wide dish, leave it in the sun for days, then look for crystals

The tree, 17 words

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Pour	pour	VERB	Mood=Imp VerbForm=Fin	root	root
2	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	1 Pour	obj
3	into	into	ADP	_	6 dish	case
4	a	a	DET	Definite=Ind PronType=Art	6 dish	det
5	wide	wide	ADJ	Degree=Pos	6 dish	amod
6	dish	dish	NOUN	Number=Sing	1 Pour	obl
7	,	,	PUNCT	_	8 leave	punct
8	leave	leave	VERB	Mood=Imp VerbForm=Fin	1 Pour	conj
9	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	8 leave	obj
10	in	in	ADP	_	12 sun	case
11	the	the	DET	Definite=Def PronType=Art	12 sun	det
12	sun	sun	NOUN	Number=Sing	8 leave	obl
13	for	for	ADP	_	14 days	case
14	days	day	NOUN	Number=Plur	8 leave	obl
15	,	,	PUNCT	_	17 look	punct
16	then	then	ADV	PronType=Dem	17 look	advmod
17	look	look	VERB	Mood=Imp VerbForm=Fin	1 Pour	conj
18	for	for	ADP	_	19 crystals	case
19	crystals	crystal	NOUN	Number=Plur	17 look	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	pour	imperative	you not said here	it		a wide dish			vn pour-9.5 «NP V NP PP.initial_location PP.destination»: agent=Agent it=Theme into dish=Destination
2	leave	infinitive	you not said here	dish		the sun	day		vn keep-15.2 «NP V NP PP.location»: agent=Agent it=Theme in sun=Location
3	look	infinitive	you not said here				then	for crystals	vn rummage-35.5 «NP V PP.location PP.theme»: agent=Agent for crystal=Theme

Option 3 · ← Mova's choice

Filter it, and the salt stays on the paper

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Filter	filter	VERB	Mood=Imp VerbForm=Fin	root	root
2	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	1 Filter	obj
3	,	,	PUNCT	_	7 stays	punct
4	and	and	CCONJ	_	7 stays	cc
5	the	the	DET	Definite=Def PronType=Art	6 salt	det
6	salt	salt	NOUN	Number=Sing	7 stays	nsubj
7	stays	stay	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	1 Filter	conj
8	on	on	ADP	_	10 paper	case
9	the	the	DET	Definite=Def PronType=Art	10 paper	det
10	paper	paper	NOUN	Number=Sing	7 stays	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	filter	imperative	you not said here	it					vn wipe_instr-10.4.2 «NP V NP.initial_location»: agent=Agent it=Initial_Location
2	stay	present	the salt			the paper			vn exist-47.1 «NP V PP.location»: agent=Theme on paper=Location

Option 4

Stir it hard until the salt sinks back down

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Stir	stir	VERB	Mood=Imp VerbForm=Fin	root	root
2	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	1 Stir	obj
3	hard	hard	ADV	Degree=Pos	1 Stir	advmod
4	until	until	SCONJ	_	7 sinks	mark
5	the	the	DET	Definite=Def PronType=Art	6 salt	det
6	salt	salt	NOUN	Number=Sing	7 sinks	nsubj
7	sinks	sink	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	1 Stir	advcl
8	back	back	ADV	_	9 down	advmod
9	down	down	ADV	_	7 sinks	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	stir	imperative	you not said here	it				hard property	vn amuse-31.1 «NP V NP»: agent=Stimulus it=Experiencer
2	sink	present	the salt					down property	vn other_cos-45.4 «NP.patient V»: agent=Patient

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/36-olympiad-kitchen-chemistry-puzzles/t10/