Test 1 · ★ · Directions, latitude and longitude

Why is there a natural zero for latitude but not for longitude?

Mova's choice: option 1 · The right answer: option 3 · wrong ✗ · What happens: be

This is test 1 · ★ of lesson 2 «Directions, latitude and longitude» of the geography 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	Why	why	ADV	PronType=Int	root	root
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	1 Why	cop
3	there	there	PRON	PronType=Dem	2 is	expl
4	a	a	DET	Definite=Ind PronType=Art	6 zero	det
5	natural	natural	ADJ	Degree=Pos	6 zero	amod
6	zero	zero	NOUN	Number=Sing	2 is	nsubj
7	for	for	ADP	_	8 latitude	case
8	latitude	latitude	NOUN	Number=Sing	6 zero	nmod
9	but	but	CCONJ	_	12 longitude	cc
10	not	not	PART	Polarity=Neg	12 longitude	advmod
11	for	for	ADP	_	12 longitude	case
12	longitude	longitude	NOUN	Number=Sing	8 latitude	conj
13	?	?	PUNCT	_	1 Why	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present						why property	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

Greenwich is the oldest city with an observatory

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Greenwich	greenwich	NOUN	Number=Sing	5 city	nsubj
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	5 city	cop
3	the	the	DET	Definite=Def PronType=Art	5 city	det
4	oldest	old	ADJ	Degree=Sup	5 city	amod
5	city	city	NOUN	Number=Sing	root	root
6	with	with	ADP	_	8 observatory	case
7	an	a	DET	Definite=Ind PronType=Art	8 observatory	det
8	observatory	observatory	NOUN	Number=Sing	5 city	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is a	present	Greenwich	the oldest city				with a observatory	tree rules

Option 2

The equator is hotter than other places

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 equator	det
2	equator	equator	NOUN	Number=Sing	4 hotter	nsubj
3	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 hotter	cop
4	hotter	hot	ADJ	Degree=Cmp	root	root
5	than	than	ADP	_	7 places	case
6	other	other	ADJ	Degree=Pos	7 places	amod
7	places	place	NOUN	Number=Plur	4 hotter	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	the equator					than other places; hot property	tree rules

Option 3 · ✓ the right answer

The equator lies halfway between the poles, but every meridian is alike

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 equator	det
2	equator	equator	NOUN	Number=Sing	3 lies	nsubj
3	lies	lie	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	halfway	halfway	ADV	_	3 lies	advmod
5	between	between	ADP	_	7 poles	case
6	the	the	DET	Definite=Def PronType=Art	7 poles	det
7	poles	pole	NOUN	Number=Plur	3 lies	obl
8	,	,	PUNCT	_	13 alike	punct
9	but	but	CCONJ	_	13 alike	cc
10	every	every	DET	PronType=Tot	11 meridian	det
11	meridian	meridian	NOUN	Number=Sing	13 alike	nsubj
12	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	13 alike	cop
13	alike	alike	ADJ	Degree=Pos	3 lies	conj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	lie	present	the equator			the poles		halfway property	vn assuming_position-50 «NP V PP.location»: agent=Agent between pole=Location
2	is	present	every meridian					alike property	tree rules

Option 4

Longitude lines are curved and latitude lines are straight, so they cannot start at zero

The tree, 16 words

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Longitude	longitude	NOUN	Number=Sing	2 lines	compound
2	lines	line	NOUN	Number=Plur	4 curved	nsubj:pass
3	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	4 curved	aux:pass
4	curved	curve	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
5	and	and	CCONJ	_	9 straight	cc
6	latitude	latitude	NOUN	Number=Sing	7 lines	compound
7	lines	line	NOUN	Number=Plur	9 straight	nsubj
8	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	9 straight	cop
9	straight	straight	ADV	_	4 curved	conj
10	,	,	PUNCT	_	15 start	punct
11	so	so	ADV	_	15 start	advmod
12	they	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	15 start	nsubj
13	can	can	AUX	VerbForm=Fin	15 start	aux
14	not	not	PART	Polarity=Neg	15 start	advmod
15	start	start	VERB	VerbForm=Inf	4 curved	conj
16	at	at	ADP	_	17 zero	case
17	zero	zero	NUM	NumForm=Word NumType=Card	15 start	obl

#	verb	tense, mood	who	what, whom	where	other	roles by
1	curve	present · passive		Longitude lines			vn knead-26.5 «NP V NP.material»: subject=Material
2	is	present	latitude lines			straight property	tree rules
3	not start	can	lines = line		zero		vn begin-55.1-1-1 «NP.eventuality V»: agent=Eventuality

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/geography/2-directions-latitude-and-longitude/t1/