Test 9 · ★★★ · Water safety and the ocean

Why is polystyrene in the sea a problem?

Mova's choice: option 1 · The right answer: option 1 · right ✓ · Who acts: polystyrene · What happens: be

This is test 9 · ★★★ of lesson 13 «Water safety and the ocean» of the physics 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=Rel	root	root
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	1 Why	cop
3	polystyrene	polystyrene	NOUN	Number=Sing	1 Why	nsubj
4	in	in	ADP	_	6 sea	case
5	the	the	DET	Definite=Def PronType=Art	6 sea	det
6	sea	sea	NOUN	Number=Sing	3 polystyrene	nmod
7	a	a	DET	Definite=Ind PronType=Art	8 problem	det
8	problem	problem	NOUN	Number=Sing	1 Why	nsubj
9	?	?	PUNCT	_	1 Why	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	polystyrene in the sea					why property	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.

The options

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

It floats for years and pollutes the sea

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	It	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	2 floats	nsubj
2	floats	float	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	for	for	ADP	_	4 years	case
4	years	year	NOUN	Number=Plur	2 floats	obl
5	and	and	CCONJ	_	6 pollutes	cc
6	pollutes	pollute	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	2 floats	conj
7	the	the	DET	Definite=Def PronType=Art	8 sea	det
8	sea	sea	NOUN	Number=Sing	6 pollutes	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	float	present	It				year		vn run-51.3.2-2 «NP V»: agent=Theme
2	pollute	present		the sea					tree rules

Option 2

It sinks and blocks the seabed

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	It	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	2 sinks	nsubj
2	sinks	sink	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	and	and	CCONJ	_	4 blocks	cc
4	blocks	block	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	2 sinks	conj
5	the	the	DET	Definite=Def PronType=Art	6 seabed	det
6	seabed	seabed	NOUN	Number=Sing	4 blocks	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	sink	present	It						vn other_cos-45.4 «NP.patient V»: agent=Patient
2	block	present		the seabed					vn forbid-64.4-1 «NP V NP»: agent=Causer seabed=Theme

Option 3

It makes the waves bigger

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	It	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	2 makes	nsubj
2	makes	make	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	the	the	DET	Definite=Def PronType=Art	4 waves	det
4	waves	wave	NOUN	Number=Plur	2 makes	obj
5	bigger	big	ADJ	Degree=Cmp	2 makes	xcomp

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	make	present	It	the waves				big property	vn build-26.1-1 «NP.material V NP»: agent=Material wave=Product

Option 4

It melts in the sun and heats up the sea water

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	It	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	2 melts	nsubj
2	melts	melt	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	in	in	ADP	_	5 sun	case
4	the	the	DET	Definite=Def PronType=Art	5 sun	det
5	sun	sun	NOUN	Number=Sing	2 melts	obl
6	and	and	CCONJ	_	7 heats	cc
7	heats	heat	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	2 melts	conj
8	up	up	ADP	_	7 heats	compound:prt
9	the	the	DET	Definite=Def PronType=Art	11 water	det
10	sea	sea	NOUN	Number=Sing	11 water	compound
11	water	water	NOUN	Number=Sing	7 heats	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	melt	present	It			the sun			vn other_cos-45.4-1 «NP.patient V»: agent=Patient
2	heat up	present		the sea water					vn cooking-45.3 «NP V NP.patient»: agent=Agent water=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/physics/13-water-safety-and-the-ocean/t9/