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Test 3 · ★ · Masters of camouflage

In Moana, the giant crab Tamatoa covers his shell with shiny treasure to look fancy. Why do real decorator crabs cover their shells?

Mova's choice: option 1 · The right answer: option 1 · right ✓ · Who acts: giant crab, real decorator crabs · What happens: cover, look, do · To what, where: shell, Moana, shells

This is test 3 · ★ of lesson 189 «Masters of camouflage» 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

Sentence 1: In Moana, the giant crab Tamatoa covers his shell with shiny treasure to look fancy.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	In	in	ADP	_	2 Moana	case
2	Moana	Moana	PROPN	Number=Sing	8 covers	obl
3	,	,	PUNCT	_	2 Moana	punct
4	the	the	DET	Definite=Def PronType=Art	6 crab	det
5	giant	giant	ADJ	Degree=Pos	6 crab	amod
6	crab	crab	NOUN	Number=Sing	8 covers	nsubj
7	Tamatoa	Tamatoa	PROPN	Number=Sing	6 crab	appos
8	covers	cover	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
9	his	his	PRON	Case=Gen Gender=Masc Number=Sing Person=3 Poss=Yes PronType=Prs	10 shell	nmod:poss
10	shell	shell	NOUN	Number=Sing	8 covers	obj
11	with	with	ADP	_	13 treasure	case
12	shiny	shiny	ADJ	Degree=Pos	13 treasure	amod
13	treasure	treasure	NOUN	Number=Sing	8 covers	obl
14	to	to	PART	_	15 look	mark
15	look	look	VERB	VerbForm=Inf	8 covers	advcl
16	fancy	fancy	ADJ	Degree=Pos	15 look	xcomp
17	.	.	PUNCT	_	8 covers	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	cover	present	the giant crab	crab's shell		Moana		with shiny treasure	vn fill-9.8-1 «NP V NP PP.theme»: agent=Agent shell=Destination with treasure=Theme
2	look	to-infinitive	the giant crab not said here					fancy property	vn stimulus_subject-30.4 «NP V ADJ»: agent=Stimulus

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: Why do real decorator crabs cover their shells?

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Why	why	ADV	PronType=Int	2 do	advmod
2	do	do	VERB	Mood=Ind Number=Sing Person=2 Tense=Pres VerbForm=Fin	6 cover	advcl
3	real	real	ADJ	Degree=Pos	5 crabs	amod
4	decorator	decorator	NOUN	Number=Sing	5 crabs	compound
5	crabs	crab	NOUN	Number=Plur	6 cover	nsubj
6	cover	cover	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
7	their	their	PRON	Case=Gen Number=Plur Person=3 Poss=Yes PronType=Prs	8 shells	nmod:poss
8	shells	shell	NOUN	Number=Plur	6 cover	obj
9	?	?	PUNCT	_	6 cover	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	do	present	real decorator crabs not said here						vn act-114-1 «NP V»: agent=Agent
2	cover	present	real decorator crabs	their shells					vn fill-9.8-1 «NP V NP.destination»: agent=Agent shell=Destination

The options

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

To hide from predators

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	To	to	PART	_	2 hide	mark
2	hide	hide	VERB	Mood=Imp VerbForm=Fin	root	root
3	from	from	ADP	_	4 predators	case
4	predators	predator	NOUN	Number=Plur	2 hide	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	hide	to-infinitive				predators			vn concealment-16-1 «NP V PP.beneficiary»: agent=Agent from predator=Beneficiary

Option 2

To keep their shells warm

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	To	to	PART	_	2 keep	mark
2	keep	keep	VERB	Mood=Imp VerbForm=Fin	root	root
3	their	their	PRON	Case=Gen Number=Plur Person=3 Poss=Yes PronType=Prs	4 shells	nmod:poss
4	shells	shell	NOUN	Number=Plur	2 keep	obj
5	warm	warm	ADJ	Degree=Pos	2 keep	xcomp

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	keep	to-infinitive		their shells				warm property	vn keep-15.2 «NP V NP»: agent=Agent shell=Theme

Option 3

To show off to other crabs on the reef

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	To	to	PART	_	2 show	mark
2	show	show	VERB	Mood=Imp VerbForm=Fin	root	root
3	off	off	ADP	_	2 show	compound:prt
4	to	to	ADP	_	6 crabs	case
5	other	other	ADJ	Degree=Pos	6 crabs	amod
6	crabs	crab	NOUN	Number=Plur	2 show	obl
7	on	on	ADP	_	9 reef	case
8	the	the	DET	Definite=Def PronType=Art	9 reef	det
9	reef	reef	NOUN	Number=Sing	2 show	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	show off	to-infinitive			other crabs	the reef			vn transfer_mesg-37.1.1-1-1 «NP V PP.recipient how S»: agent=Agent to crab=Recipient

Option 4

To catch the eye of a mate

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	To	to	PART	_	2 catch	mark
2	catch	catch	VERB	Mood=Imp VerbForm=Fin	root	root
3	the	the	DET	Definite=Def PronType=Art	4 eye	det
4	eye	eye	NOUN	Number=Sing	2 catch	obj
5	of	of	ADP	_	7 mate	case
6	a	a	DET	Definite=Ind PronType=Art	7 mate	det
7	mate	mate	NOUN	Number=Sing	4 eye	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	catch	to-infinitive		the eye of a mate					vn get-13.5.1 «NP V NP»: agent=Agent eye=Theme

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/189-masters-of-camouflage/t3/