Test 8 · ★★ · Coral reefs, rockpools and the seashore

«white sandy beach so pretty» Which surprising fact is true?

Mova's choice: option 1 · The right answer: option 4 · wrong ✗ · What happens: be

This is test 8 · ★★ of lesson 9 «Coral reefs, rockpools and the seashore» of the biology 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	«	«	PUNCT	_	4 beach	punct
2	white	white	ADJ	Degree=Pos	4 beach	amod
3	sandy	sandy	ADJ	Degree=Pos	4 beach	amod
4	beach	beach	NOUN	Number=Sing	12 true	obl
5	so	so	ADV	_	12 true	advmod
6	pretty	pretty	ADV	_	12 true	advmod
7	»	»	PUNCT	_	6 pretty	punct
8	Which	which	PRON	PronType=Rel	12 true	nsubj
9	surprising	surprising	ADJ	Degree=Pos	10 fact	amod
10	fact	fact	NOUN	Number=Sing	12 true	nsubj
11	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	12 true	cop
12	true	true	ADJ	Degree=Pos	root	root
13	?	?	PUNCT	_	12 true	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present						white sandy beach obl; pretty, true 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

All beach sand is made by crabs grinding shells with their claws

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	All	all	DET	PronType=Tot	3 sand	det
2	beach	beach	NOUN	Number=Sing	3 sand	compound
3	sand	sand	NOUN	Number=Sing	5 made	nsubj:pass
4	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	5 made	aux:pass
5	made	make	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
6	by	by	ADP	_	7 crabs	case
7	crabs	crab	NOUN	Number=Plur	5 made	obl
8	grinding	grind	VERB	VerbForm=Ger	7 crabs	acl
9	shells	shell	NOUN	Number=Plur	8 grinding	obj
10	with	with	ADP	_	12 claws	case
11	their	their	PRON	Case=Gen Number=Plur Person=3 Poss=Yes PronType=Prs	12 claws	nmod:poss
12	claws	claw	NOUN	Number=Plur	8 grinding	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	make	present · passive	crabs	all beach sand					vn build-26.1-1 «NP V NP»: agent=Agent subject=Product
2	grind	gerund	crabs not said here	shells				with shells's claws	vn carve-21.2-1 «NP V NP PP.instrument»: agent=Agent shell=Patient with claw=Instrument

Option 2

White sand is ground-up seaweed

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	White	white	ADJ	Degree=Pos	2 sand	amod
2	sand	sand	NOUN	Number=Sing	7 seaweed	nsubj
3	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	7 seaweed	cop
4	ground	ground	NOUN	Number=Sing	6 up	compound
5	-	-	PUNCT	_	6 up	punct
6	up	up	NOUN	Number=Sing	7 seaweed	compound
7	seaweed	seaweed	NOUN	Number=Sing	root	root

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is a	present	White sand	up seaweed					tree rules

Option 3

White sand is made of salt

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	White	white	ADJ	Degree=Pos	2 sand	amod
2	sand	sand	NOUN	Number=Sing	4 made	nsubj:pass
3	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 made	aux:pass
4	made	make	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
5	of	of	ADP	_	6 salt	case
6	salt	salt	NOUN	Number=Sing	4 made	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	make	present · passive		White sand				of salt	vn build-26.1-1 «NP.asset V NP»: subject=Product

Option 4 · ✓ the right answer

Some white tropical beach sand comes partly from parrotfish poo

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Some	some	DET	PronType=Ind	5 sand	det
2	white	white	ADJ	Degree=Pos	4 beach	amod
3	tropical	tropical	ADJ	Degree=Pos	4 beach	amod
4	beach	beach	NOUN	Number=Sing	5 sand	compound
5	sand	sand	NOUN	Number=Sing	6 comes	nsubj
6	comes	come	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
7	partly	partly	ADV	_	6 comes	advmod
8	from	from	ADP	_	10 poo	case
9	parrotfish	parrotfish	NOUN	Number=Sing	10 poo	compound
10	poo	poo	NOUN	Number=Sing	6 comes	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	come	present	some beach sand			parrotfish poo		partly property	vn escape-51.1-1 «NP V PP.initial_location»: agent=Theme from poo=Initial_Location

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/biology/9-coral-reefs-rockpools-and-the-seashore/t8/