Test 9 · ★ · Masters of camouflage

What would happen if a decorator crab moved from a sponge reef to a seaweed patch?

Mova's choice: option 3 · The right answer: option 1 · wrong ✗ · Who acts: decorator crab · What happens: happen, move · To what, where: sponge reef

This is test 9 · ★ 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

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	What	what	PRON	PronType=Int	3 happen	nsubj
2	would	would	AUX	VerbForm=Fin	3 happen	aux
3	happen	happen	VERB	VerbForm=Inf	root	root
4	if	if	SCONJ	_	8 moved	mark
5	a	a	DET	Definite=Ind PronType=Art	7 crab	det
6	decorator	decorator	NOUN	Number=Sing	7 crab	compound
7	crab	crab	NOUN	Number=Sing	8 moved	nsubj
8	moved	move	VERB	Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin	3 happen	advcl
9	from	from	ADP	_	12 reef	case
10	a	a	DET	Definite=Ind PronType=Art	12 reef	det
11	sponge	sponge	NOUN	Number=Sing	12 reef	compound
12	reef	reef	NOUN	Number=Sing	8 moved	obl
13	to	to	ADP	_	16 patch	case
14	a	a	DET	Definite=Ind PronType=Art	16 patch	det
15	seaweed	seaweed	NOUN	Number=Sing	16 patch	compound
16	patch	patch	NOUN	Number=Sing	8 moved	obl
17	?	?	PUNCT	_	3 happen	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	happen	would							vn occur-48.3-1 «NP V»: agent=Theme
2	move a condition, not said to happen	past	a decorator crab			a sponge reef		to a seaweed patch	vn slide-11.2 «NP V PP.initial_location PP.destination»: agent=Theme from reef=Initial_Location to patch=Destination

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 · ✓ the right answer

It would change its decorations to match

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	3 change	nsubj
2	would	would	AUX	VerbForm=Fin	3 change	aux
3	change	change	VERB	VerbForm=Inf	root	root
4	its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	5 decorations	nmod:poss
5	decorations	decoration	NOUN	Number=Plur	3 change	obj
6	to	to	PART	_	7 match	mark
7	match	match	VERB	VerbForm=Inf	3 change	advcl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	change	would	It	its decorations					vn dress-41.1.1-1-1 «NP V NP»: agent=Agent decoration=Patient
2	match	to-infinitive							vn amalgamate-22.2-1 «NP V ADVP-Middle»: agent=Patient

Option 2

It would turn green by itself

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	3 turn	nsubj
2	would	would	AUX	VerbForm=Fin	3 turn	aux
3	turn	turn	VERB	VerbForm=Inf	root	root
4	green	green	ADJ	Degree=Pos	3 turn	xcomp
5	by	by	ADP	_	6 itself	case
6	itself	itself	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs Reflex=Yes	3 turn	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	turn	would	It					by itself = it; green property	vn roll-51.3.1 «NP V PP.trajectory»: agent=Theme by itself=Trajectory

Option 3 · ← Mova's choice

It would shed its shell

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	3 shed	nsubj
2	would	would	AUX	VerbForm=Fin	3 shed	aux
3	shed	shed	VERB	VerbForm=Inf	root	root
4	its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	5 shell	nmod:poss
5	shell	shell	NOUN	Number=Sing	3 shed	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	shed	would	It	its shell					vn substance_emission-43.4-1 «PP.location V NP»: agent=Location shell=Source

Option 4

It would stay dressed in the same sponge forever

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	3 stay	nsubj
2	would	would	AUX	VerbForm=Fin	3 stay	aux
3	stay	stay	VERB	VerbForm=Inf	root	root
4	dressed	dress	VERB	Tense=Past VerbForm=Part Voice=Pass	3 stay	xcomp
5	in	in	ADP	_	8 sponge	case
6	the	the	DET	Definite=Def PronType=Art	8 sponge	det
7	same	same	ADJ	Degree=Pos	8 sponge	amod
8	sponge	sponge	NOUN	Number=Sing	4 dressed	obl
9	forever	forever	ADV	_	3 stay	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	stay	would	It					forever property	tree rules
2	dress	participle				the same sponge			vn dress-41.1.1-1-1 «NP V»: agent=Agent

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/t9/