Exam question 1 · Ukraine's forests: bison, elk, lynx, wolves and Carpathian…

Identify the principal reason for which the European bison possesses limited genetic variety at present.

Mova's choice: option 2 · The right answer: option 2 · right ✓ · Who acts: you, European bison · What happens: identify, possess · To what, where: principal reason, limited genetic variety, present

This is exam question 1 of lesson 372 «Ukraine's forests: bison, elk, lynx, wolves and Carpathian brown bears» of the biology course of Mova's primary school, asked in stiff, formal language. 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	Identify	identify	VERB	Mood=Imp VerbForm=Fin	root	root
2	the	the	DET	Definite=Def PronType=Art	4 reason	det
3	principal	principal	ADJ	Degree=Pos	4 reason	amod
4	reason	reason	NOUN	Number=Sing	1 Identify	obj
5	for	for	ADP	_	6 which	case
6	which	which	PRON	PronType=Rel	10 possesses	obl
7	the	the	DET	Definite=Def PronType=Art	9 bison	det
8	European	European	ADJ	Degree=Pos	9 bison	amod
9	bison	bison	NOUN	Number=Sing	10 possesses	nsubj
10	possesses	possess	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 reason	parataxis
11	limited	limited	ADJ	Degree=Pos	13 variety	amod
12	genetic	genetic	ADJ	Degree=Pos	13 variety	amod
13	variety	variety	NOUN	Number=Sing	10 possesses	obj
14	at	at	ADP	_	15 present	case
15	present	present	NOUN	Number=Sing	10 possesses	obl
16	.	.	PUNCT	_	1 Identify	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	identify	imperative	you not said here	the principal reason					vn characterize-29.2-1-1 «NP V NP S_ING»: agent=Agent reason=Theme
2	possess	present	the European bison	limited genetic variety		present		for the principal reason	vn own-100.1 «NP V NP»: agent=Pivot variety=Theme

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

It reproduces only once in a century

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 reproduces	nsubj
2	reproduces	reproduce	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	only	only	ADV	_	4 once	advmod
4	once	once	ADV	NumForm=Word NumType=Mult	2 reproduces	advmod
5	in	in	ADP	_	7 century	case
6	a	a	DET	Definite=Ind PronType=Art	7 century	det
7	century	century	NOUN	Number=Sing	2 reproduces	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	reproduce	present	It				century	once property	vn birth-28.2-2 «NP V»: agent=Agent

Option 2 · ← Mova's choice · ✓ the right answer

The entire present population is descended from merely twelve animals

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	4 population	det
2	entire	entire	ADJ	Degree=Pos	4 population	amod
3	present	present	NOUN	Number=Sing	4 population	compound
4	population	population	NOUN	Number=Sing	6 descended	nsubj:pass
5	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	6 descended	aux:pass
6	descended	descend	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
7	from	from	ADP	_	10 animals	case
8	merely	merely	ADV	_	9 twelve	advmod
9	twelve	twelve	NUM	NumForm=Word NumType=Card	10 animals	nummod
10	animals	animal	NOUN	Number=Plur	6 descended	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	descend	present · passive		the entire present population				from twelve animals	vn meander-47.7-1 «PP.location V NP»: subject=Theme

Option 3

It was introduced from America in recent decades

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 introduced	nsubj:pass
2	was	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin	3 introduced	aux:pass
3	introduced	introduce	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
4	from	from	ADP	_	5 America	case
5	America	America	PROPN	Number=Sing	3 introduced	obl
6	in	in	ADP	_	8 decades	case
7	recent	recent	ADJ	Degree=Pos	8 decades	amod
8	decades	decade	NOUN	Number=Plur	3 introduced	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	introduce	past · passive		It		America	decade		vn amalgamate-22.2-3-1 «NP V NP»: subject=Patient

Option 4

It has interbred with domestic cattle exclusively for many centuries

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 interbred	nsubj:pass
2	has	have	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 interbred	aux
3	interbred	interbreed	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
4	with	with	ADP	_	6 cattle	case
5	domestic	domestic	ADJ	Degree=Pos	6 cattle	amod
6	cattle	cattle	NOUN	Number=Plur	3 interbred	obl
7	exclusively	exclusively	ADV	_	3 interbred	advmod
8	for	for	ADP	_	10 centuries	case
9	many	many	ADJ	Degree=Pos	10 centuries	amod
10	centuries	century	NOUN	Number=Plur	3 interbred	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	interbreed	present · perfect · passive		It			century	with domestic cattle; exclusively property	tree rules

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/372-ukraine-s-forests-bison-elk-lynx-wolves-and-carpathian-brown-bears/e1/