Test 4 · ★★ · Mixing and dissolving

Why is it easier to float in the sea than in a swimming pool?

Mova's choice: option 1 · The right answer: option 1 · right ✓ · Who acts: it · What happens: be, float · To what, where: sea

This is test 4 · ★★ of lesson 6 «Mixing and dissolving» 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

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Why	why	ADV	PronType=Int	4 easier	advmod
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 easier	cop
3	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	4 easier	nsubj
4	easier	easy	ADJ	Degree=Cmp	root	root
5	to	to	PART	_	6 float	mark
6	float	float	VERB	VerbForm=Inf	4 easier	xcomp
7	in	in	ADP	_	9 sea	case
8	the	the	DET	Definite=Def PronType=Art	9 sea	det
9	sea	sea	NOUN	Number=Sing	6 float	obl
10	than	than	ADP	_	14 pool	case
11	in	in	ADP	_	14 pool	case
12	a	a	DET	Definite=Ind PronType=Art	14 pool	det
13	swimming	swimming	NOUN	Number=Sing	14 pool	compound
14	pool	pool	NOUN	Number=Sing	6 float	obl
15	?	?	PUNCT	_	4 easier	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	it					easy property	tree rules
2	float	to-infinitive				the sea		than a swimming pool	vn run-51.3.2-2 «NP V PP.location»: agent=Theme in sea=Trajectory

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.

The options

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

Salty water holds you up more than fresh water

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Salty	salty	ADJ	Degree=Pos	2 water	amod
2	water	water	NOUN	Number=Sing	3 holds	nsubj
3	holds	hold	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	you	you	PRON	Case=Acc Person=2 PronType=Prs	3 holds	obj
5	up	up	ADP	_	3 holds	compound:prt
6	more	more	ADJ	Degree=Cmp	3 holds	advmod
7	than	than	ADP	_	9 water	case
8	fresh	fresh	ADJ	Degree=Pos	9 water	amod
9	water	water	NOUN	Number=Sing	6 more	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	hold up	present	Salty water	you					vn support-15.3-1 «NP V NP»: agent=Pivot you=Theme

Option 2

Waves push you up all the time

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Waves	wave	NOUN	Number=Plur	2 push	nsubj
2	push	push	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
3	you	you	PRON	Case=Acc Person=2 PronType=Prs	2 push	obj
4	up	up	ADP	_	2 push	compound:prt
5	all	all	DET	PronType=Tot	7 time	det:predet
6	the	the	DET	Definite=Def PronType=Art	7 time	det
7	time	time	NOUN	Number=Sing	2 push	obl:unmarked

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	push up	present	Waves	you			time		vn carry-11.4-1-1 «NP V NP»: agent=Agent you=Theme

Option 3

Pool water has no particles in it

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Pool	pool	NOUN	Number=Sing	2 water	compound
2	water	water	NOUN	Number=Sing	3 has	nsubj
3	has	have	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	no	no	DET	PronType=Neg	5 particles	det
5	particles	particle	NOUN	Number=Plur	3 has	obj
6	in	in	ADP	_	7 it	case
7	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	5 particles	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	have	present	Pool water	no particles		it			vn birth-28.2-1 «NP V NP»: agent=Agent particle=Patient

Option 4

Sea water is much warmer than pool water

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Sea	sea	NOUN	Number=Sing	2 water	compound
2	water	water	NOUN	Number=Sing	5 warmer	nsubj
3	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	5 warmer	cop
4	much	much	ADV	_	5 warmer	advmod
5	warmer	warm	ADJ	Degree=Cmp	root	root
6	than	than	ADP	_	8 water	case
7	pool	pool	NOUN	Number=Sing	8 water	compound
8	water	water	NOUN	Number=Sing	5 warmer	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	Sea water					than pool water; warm property	tree rules

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/6-mixing-and-dissolving/t4/