Test 6 · ★ · The desert: living with little water

«desert at night, why's it freezing, we're in the Sahara ffs» Which is the best answer?

Mova's choice: option 4 · The right answer: option 4 · right ✓ · Who acts: desert, we · What happens: freeze, be · To what, where: Sahara ffs, best answer · Speech: someone speaks here

This is test 6 · ★ 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	_	2 desert	punct
2	desert	desert	NOUN	Number=Sing	22 answer	nsubj
3	at	at	ADP	_	4 night	case
4	night	night	NOUN	Number=Sing	2 desert	nmod
5	,	,	PUNCT	_	9 freezing	punct
6	why	why	ADV	PronType=Int	9 freezing	advmod
7	's	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	9 freezing	aux
8	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	9 freezing	nsubj
9	freezing	freeze	VERB	Tense=Pres VerbForm=Part	2 desert	conj
10	,	,	PUNCT	_	16 ffs	punct
11	we	we	PRON	Case=Nom Number=Plur Person=1 PronType=Prs	16 ffs	nsubj
12	're	be	AUX	Mood=Ind Number=Plur Person=1 Tense=Pres VerbForm=Fin	16 ffs	cop
13	in	in	ADP	_	16 ffs	case
14	the	the	DET	Definite=Def PronType=Art	16 ffs	det
15	Sahara	Sahara	PROPN	Number=Sing	16 ffs	compound
16	ffs	ff	NOUN	Number=Plur	2 desert	appos
17	»	»	PUNCT	_	16 ffs	punct
18	Which	which	PRON	PronType=Rel	22 answer	nsubj
19	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	22 answer	cop
20	the	the	DET	Definite=Def PronType=Art	22 answer	det
21	best	good	ADJ	Degree=Sup	22 answer	amod
22	answer	answer	NOUN	Number=Sing	root	root
23	?	?	PUNCT	_	22 answer	punct

#	verb	tense, mood	who	what, whom	where	roles by
1	freeze in a quote	present · progressive	desert			vn other_cos-45.4-1 «NP.patient V»: agent=Patient
2	is in a quote	present	we		the Sahara ffs	tree rules
3	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

Desert sand makes ice at night

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Desert	desert	NOUN	Number=Sing	2 sand	compound
2	sand	sand	NOUN	Number=Sing	3 makes	nsubj
3	makes	make	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	ice	ice	NOUN	Number=Sing	3 makes	obj
5	at	at	ADP	_	6 night	case
6	night	night	NOUN	Number=Sing	3 makes	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	make	present	Desert sand	ice			night		vn build-26.1-1 «NP.asset V NP»: agent=Asset ice=Product

Option 2

The Sahara has winter every night

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 Sahara	det
2	Sahara	Sahara	PROPN	Number=Sing	3 has	nsubj
3	has	have	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	winter	winter	NOUN	Number=Sing	3 has	obj
5	every	every	DET	PronType=Tot	6 night	det
6	night	night	NOUN	Number=Sing	3 has	obl:unmarked

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	have	present	the Sahara				night; winter		vn birth-28.2-1 «NP V NP»: agent=Agent

Option 3

Cold comes up from deep under the sand when the sun goes down

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Cold	cold	NOUN	Number=Sing	2 comes	nsubj
2	comes	come	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	up	up	ADV	_	2 comes	advmod
4	from	from	ADP	_	5 deep	case
5	deep	deep	ADJ	Degree=Pos	2 comes	obl
6	under	under	ADP	_	8 sand	case
7	the	the	DET	Definite=Def PronType=Art	8 sand	det
8	sand	sand	NOUN	Number=Sing	5 deep	obl
9	when	when	SCONJ	_	12 goes	mark
10	the	the	DET	Definite=Def PronType=Art	11 sun	det
11	sun	sun	NOUN	Number=Sing	12 goes	nsubj
12	goes	go	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	2 comes	advcl
13	down	down	ADV	_	12 goes	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	come up	present	Cold			deep			vn escape-51.1-1 «NP V PP.initial_location»: agent=Theme from deep=Initial_Location
2	go down	present	the sun					down property	vn calibratable_cos-45.6.1-1 «NP.attribute V»: agent=Attribute

Option 4 · ← Mova's choice · ✓ the right answer

Dry air and clear skies let the ground's heat escape into space

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Dry	dry	ADJ	Degree=Pos	2 air	amod
2	air	air	NOUN	Number=Sing	6 let	nsubj
3	and	and	CCONJ	_	5 skies	cc
4	clear	clear	ADJ	Degree=Pos	5 skies	amod
5	skies	sky	NOUN	Number=Plur	2 air	conj
6	let	let	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
7	the	the	DET	Definite=Def PronType=Art	8 ground	det
8	ground	ground	NOUN	Number=Sing	10 heat	nmod:poss
9	's	's	PART	_	8 ground	case
10	heat	heat	NOUN	Number=Sing	6 let	obj
11	escape	escape	VERB	VerbForm=Inf	6 let	xcomp
12	into	into	ADP	_	13 space	case
13	space	space	NOUN	Number=Sing	11 escape	obl

#	verb	tense, mood	who	what, whom	where	roles by
1	let	present	Dry air and clear skies	the ground's heat		tree rules
2	escape	infinitive	the ground's heat not said here		space	vn escape-51.1-1-1 «NP V PP.initial_location»: agent=Theme into space=Initial_Location
3	heat		the ground			nom heat «phenomenon intransitive»: poss=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.

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