Test 8 · ★ · The desert: living with little water

«antarctica's a desert?? it's ice not sand, you're mad» Which is the best answer?

Mova's choice: option 1 · The right answer: option 4 · wrong ✗ · Who acts: antarctica, desert, you · What happens: be · To what, where: desert, ice, best answer · Speech: someone speaks here

This is test 8 · ★ of lesson 5 «The desert: living with little water» 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	_	5 desert	punct
2	antarctica	antarctica	NOUN	Number=Sing	5 desert	nsubj
3	's	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	5 desert	cop
4	a	a	DET	Definite=Ind PronType=Art	5 desert	det
5	desert	desert	NOUN	Number=Sing	9 ice	nsubj
6	??	??	PUNCT	_	5 desert	punct
7	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	9 ice	nsubj
8	's	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	9 ice	cop
9	ice	ice	NOUN	Number=Sing	root	root
10	not	not	PART	Polarity=Neg	11 sand	advmod
11	sand	sand	NOUN	Number=Sing	9 ice	conj
12	,	,	PUNCT	_	15 mad	punct
13	you	you	PRON	Case=Nom Person=2 PronType=Prs	15 mad	nsubj
14	're	be	AUX	Mood=Ind Number=Sing Person=2 Tense=Pres VerbForm=Fin	15 mad	cop
15	mad	mad	ADJ	Degree=Pos	9 ice	appos
16	»	»	PUNCT	_	15 mad	punct
17	Which	which	PRON	PronType=Rel	21 answer	nsubj
18	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	21 answer	cop
19	the	the	DET	Definite=Def PronType=Art	21 answer	det
20	best	good	ADJ	Degree=Sup	21 answer	amod
21	answer	answer	NOUN	Number=Sing	15 mad	conj
22	?	?	PUNCT	_	9 ice	punct

#	verb	tense, mood	who	what, whom	other	roles by
1	is a in a quote	present	antarctica	a desert		tree rules
2	is a in a quote	present	a desert	ice and sand		tree rules
3	is in a quote	present	you		mad property	tree rules
4	be speech: assert	present		the best answer		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

It is not a desert, because deserts must always be hot and covered in sand

The tree, 15 words

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	5 desert	nsubj
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	5 desert	cop
3	not	not	PART	Polarity=Neg	5 desert	advmod
4	a	a	DET	Definite=Ind PronType=Art	5 desert	det
5	desert	desert	NOUN	Number=Sing	root	root
6	,	,	PUNCT	_	12 hot	punct
7	because	because	SCONJ	_	12 hot	mark
8	deserts	desert	NOUN	Number=Plur	12 hot	nsubj
9	must	must	AUX	VerbForm=Fin	12 hot	aux
10	always	always	ADV	PronType=Tot	12 hot	advmod
11	be	be	AUX	VerbForm=Inf	12 hot	cop
12	hot	hot	ADJ	Degree=Pos	5 desert	parataxis
13	and	and	CCONJ	_	14 covered	cc
14	covered	cover	VERB	Tense=Past VerbForm=Part	12 hot	conj
15	in	in	ADP	_	16 sand	case
16	sand	sand	NOUN	Number=Sing	14 covered	obl

#	verb	tense, mood	who	what, whom	other	roles by
1	not is a	present	It	a desert		tree rules
2	is	must	deserts		always, hot property	tree rules
3	cover	participle	deserts not said here		in sand	vn fill-9.8-1 «NP V NP PP.theme»: agent=Agent in sand=Theme

Option 2

It is a desert only in summer

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	4 desert	nsubj
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 desert	cop
3	a	a	DET	Definite=Ind PronType=Art	4 desert	det
4	desert	desert	NOUN	Number=Sing	root	root
5	only	only	ADV	_	7 summer	advmod
6	in	in	ADP	_	7 summer	case
7	summer	summer	NOUN	Number=Sing	4 desert	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is a	present	It	a desert			summer		tree rules

Option 3

It is a desert because it has sand under the ice

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	4 desert	nsubj
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 desert	cop
3	a	a	DET	Definite=Ind PronType=Art	4 desert	det
4	desert	desert	NOUN	Number=Sing	root	root
5	because	because	SCONJ	_	7 has	mark
6	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	7 has	nsubj
7	has	have	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 desert	acl:relcl
8	sand	sand	NOUN	Number=Sing	7 has	obj
9	under	under	ADP	_	11 ice	case
10	the	the	DET	Definite=Def PronType=Art	11 ice	det
11	ice	ice	NOUN	Number=Sing	7 has	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is a	present	It	a desert					tree rules
2	have	present	desert	sand		the ice			vn birth-28.2-1 «NP V NP»: agent=Agent sand=Patient

Option 4 · ✓ the right answer

A desert means very little rain or snow, and Antarctica gets very little

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	A	a	DET	Definite=Ind PronType=Art	2 desert	det
2	desert	desert	NOUN	Number=Sing	3 means	nsubj
3	means	mean	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	very	very	ADV	_	5 little	advmod
5	little	little	ADJ	Degree=Pos	6 rain	amod
6	rain	rain	NOUN	Number=Sing	3 means	obj
7	or	or	CCONJ	_	8 snow	cc
8	snow	snow	NOUN	Number=Sing	6 rain	conj
9	,	,	PUNCT	_	12 gets	punct
10	and	and	CCONJ	_	12 gets	cc
11	Antarctica	Antarctica	PROPN	Number=Sing	12 gets	nsubj
12	gets	get	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 means	conj
13	very	very	ADV	_	14 little	advmod
14	little	little	ADJ	Degree=Pos	12 gets	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	mean	present	a desert	little rain or snow					vn intend-61.2-1 «NP V NP»: agent=Agent rain=Topic
2	get	present	Antarctica	little					vn comprehend-87.2-1 «NP V NP»: agent=Experiencer little=Stimulus

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/5-the-desert/t8/