Test 4 · ★★ · The future of life: de-extinction, climate, coral and froz…

Coral and its tiny algae are partners. Why does each need the other?

Mova's choice: option 1 · The right answer: option 1 · right ✓ · Who acts: tiny algae · What happens: be, need · To what, where: partners, other

This is test 4 · ★★ of lesson 297 «The future of life: de-extinction, climate, coral and frozen zoos» 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: Coral and its tiny algae are partners.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Coral	coral	NOUN	Number=Sing	root	root
2	and	and	CCONJ	_	7 partners	cc
3	its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	5 algae	nmod:poss
4	tiny	tiny	ADJ	Degree=Pos	5 algae	amod
5	algae	alga	NOUN	Number=Plur	7 partners	nsubj
6	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	7 partners	cop
7	partners	partner	NOUN	Number=Plur	1 Coral	conj
8	.	.	PUNCT	_	1 Coral	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is a	present	its tiny algae	partners					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.

Sentence 2: Why does each need the other?

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Why	why	ADV	PronType=Int	4 need	advmod
2	does	do	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 need	aux
3	each	each	DET	PronType=Tot	4 need	advmod
4	need	need	VERB	Mood=Imp VerbForm=Fin	root	root
5	the	the	DET	Definite=Def PronType=Art	6 other	det
6	other	other	ADJ	Degree=Pos	4 need	obj
7	?	?	PUNCT	_	4 need	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	need	present · do-support		the other					vn want-32.1-1-1 «NP V NP ADV»: agent=Pivot other=Theme

The options

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

The algae get a home, and they make food from sunlight for the coral

The tree, 14 words

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 algae	det
2	algae	alga	NOUN	Number=Plur	3 get	nsubj
3	get	get	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
4	a	a	DET	Definite=Ind PronType=Art	5 home	det
5	home	home	NOUN	Number=Sing	3 get	obj
6	,	,	PUNCT	_	9 make	punct
7	and	and	CCONJ	_	9 make	cc
8	they	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	9 make	nsubj
9	make	make	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	3 get	conj
10	food	food	NOUN	Number=Sing	9 make	obj
11	from	from	ADP	_	12 sunlight	case
12	sunlight	sunlight	NOUN	Number=Sing	9 make	obl
13	for	for	ADP	_	15 coral	case
14	the	the	DET	Definite=Def PronType=Art	15 coral	det
15	coral	coral	NOUN	Number=Sing	9 make	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	get	present	the algae	a home					vn comprehend-87.2-1 «NP V NP»: agent=Experiencer home=Stimulus
2	make	present	algae = alga	food		sunlight		for the coral	vn build-26.1-1 «NP V NP PP.material PP.beneficiary»: agent=Agent food=Product from sunlight=Material for coral=Beneficiary

Option 2

They do not need each other at all

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	They	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	4 need	nsubj
2	do	do	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	4 need	aux
3	not	not	PART	Polarity=Neg	4 need	advmod
4	need	need	VERB	VerbForm=Inf	root	root
5	each	each	DET	ExtPos=PRON PronType=Rcp	4 need	obj
6	other	other	ADJ	Degree=Pos	5 each	fixed
7	at	at	ADP	_	8 all	case
8	all	all	DET	PronType=Tot	4 need	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	not need	present · do-support	They	each		all			vn want-32.1-1-1 «NP V NP ADV»: agent=Pivot each=Theme

Option 3

The algae paint the coral bright colours to scare away hungry fish

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 algae	det
2	algae	alga	NOUN	Number=Plur	3 paint	nsubj
3	paint	paint	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
4	the	the	DET	Definite=Def PronType=Art	5 coral	det
5	coral	coral	NOUN	Number=Sing	3 paint	obj
6	bright	bright	ADJ	Degree=Pos	7 colours	amod
7	colours	colour	NOUN	Number=Plur	3 paint	obj
8	to	to	PART	_	9 scare	mark
9	scare	scare	VERB	VerbForm=Inf	3 paint	advcl
10	away	away	ADV	_	9 scare	advmod
11	hungry	hungry	ADJ	Degree=Pos	12 fish	amod
12	fish	fish	NOUN	Number=Sing	9 scare	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	paint	present	the algae	the coral					vn coloring-24 «NP V NP ADJP»: agent=Agent coral=Patient colour=Result
2	scare away	to-infinitive	the algae not said here	hungry fish				away property	vn amuse-31.1 «NP V NP»: agent=Stimulus fish=Experiencer

Option 4

The coral eats the algae and gives nothing back to them

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 coral	det
2	coral	coral	NOUN	Number=Sing	3 eats	nsubj
3	eats	eat	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	the	the	DET	Definite=Def PronType=Art	5 algae	det
5	algae	alga	NOUN	Number=Plur	3 eats	obj
6	and	and	CCONJ	_	7 gives	cc
7	gives	give	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 eats	conj
8	nothing	nothing	PRON	Number=Sing PronType=Neg	7 gives	obj
9	back	back	ADV	_	7 gives	advmod
10	to	to	ADP	_	11 them	case
11	them	they	PRON	Case=Acc Number=Plur Person=3 PronType=Prs	7 gives	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	eat	present	the coral	the algae					vn eat-39.1-1 «NP V NP»: agent=Agent alga=Patient
2	give back	present	the coral not said here	nothing	algae = alga				vn give-13.1 «NP V NP PP.recipient»: agent=Agent nothing=Theme to they=Recipient

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/297-the-future-of-life-de-extinction-climate-coral-and-frozen-zoos/t4/