Exam question 2 · Pendulums, Greenwich and railway time, atomic clocks and p…

Given that a navigator's clock indicates two o'clock in the afternoon, London time, at the moment of local noon, and that the Earth rotates fifteen degrees per hour, ascertain the position of the ship.

Mova's choice: option 2 · The right answer: option 3 · wrong ✗ · Who acts: clock, Earth, you · What happens: give, indicate, rotate, ascertain · To what, where: two o'clock, fifteen degrees, position

This is exam question 2 of lesson 123 «Pendulums, Greenwich and railway time, atomic clocks and phones» of the world 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	Given	give	VERB	Tense=Past VerbForm=Part Voice=Pass	7 indicates	mark
2	that	that	SCONJ	_	7 indicates	mark
3	a	a	DET	Definite=Ind PronType=Art	4 navigator	det
4	navigator	navigator	NOUN	Number=Sing	6 clock	nmod:poss
5	's	's	PART	_	4 navigator	case
6	clock	clock	NOUN	Number=Sing	7 indicates	nsubj
7	indicates	indicate	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	34 ascertain	advcl
8	two	two	NUM	NumForm=Word NumType=Card	9 o'clock	nummod
9	o'clock	o'clock	NOUN	Number=Sing	7 indicates	obj
10	in	in	ADP	_	12 afternoon	case
11	the	the	DET	Definite=Def PronType=Art	12 afternoon	det
12	afternoon	afternoon	NOUN	Number=Sing	9 o'clock	nmod
13	,	,	PUNCT	_	15 time	punct
14	London	London	PROPN	Number=Sing	15 time	compound
15	time	time	NOUN	Number=Sing	9 o'clock	conj
16	,	,	PUNCT	_	19 moment	punct
17	at	at	ADP	_	19 moment	case
18	the	the	DET	Definite=Def PronType=Art	19 moment	det
19	moment	moment	NOUN	Number=Sing	7 indicates	obl
20	of	of	ADP	_	22 noon	case
21	local	local	ADJ	Degree=Pos	22 noon	amod
22	noon	noon	NOUN	Number=Sing	19 moment	nmod
23	,	,	PUNCT	_	34 ascertain	punct
24	and	and	CCONJ	_	34 ascertain	cc
25	that	that	SCONJ	_	28 rotates	mark
26	the	the	DET	Definite=Def PronType=Art	27 Earth	det
27	Earth	Earth	PROPN	Number=Sing	28 rotates	nsubj
28	rotates	rotate	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	34 ascertain	advcl
29	fifteen	fifteen	NUM	NumForm=Word NumType=Card	30 degrees	nummod
30	degrees	degree	NOUN	Number=Plur	28 rotates	obj
31	per	per	ADP	_	32 hour	case
32	hour	hour	NOUN	Number=Sing	30 degrees	nmod
33	,	,	PUNCT	_	28 rotates	punct
34	ascertain	ascertain	VERB	Mood=Imp VerbForm=Fin	root	root
35	the	the	DET	Definite=Def PronType=Art	36 position	det
36	position	position	NOUN	Number=Sing	34 ascertain	obj
37	of	of	ADP	_	39 ship	case
38	the	the	DET	Definite=Def PronType=Art	39 ship	det
39	ship	ship	NOUN	Number=Sing	36 position	nmod
40	.	.	PUNCT	_	34 ascertain	punct

#	verb	tense, mood	who	what, whom	when	other	roles by
1	give	participle					vn break_down-45.8 «NP V»: agent=Patient
2	indicate	present	a navigator's clock	two o'clock and London time	moment	in the afternoon	vn indicate-78-1 «NP V NP»: agent=Pivot o'clock=Topic
3	rotate	present	the Earth	fifteen degrees	per hour		vn modes_of_being_with_motion-47.3 «PP.location V NP»: agent=Location degree=Theme
4	ascertain	imperative	you not said here	the position of the ship			vn discover-84 «NP V NP»: agent=Agent position=Topic

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

Thirty degrees east of Greenwich

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Thirty	thirty	NUM	NumForm=Word NumType=Card	2 degrees	nummod
2	degrees	degree	NOUN	Number=Plur	3 east	obl:unmarked
3	east	east	ADV	_	root	root
4	of	of	ADP	_	5 Greenwich	case
5	Greenwich	Greenwich	PROPN	Number=Sing	3 east	obl

The frames reader finds no event or fact in this sentence.

Option 2 · ← Mova's choice

Two degrees west of Greenwich

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Two	two	NUM	NumForm=Word NumType=Card	2 degrees	nummod
2	degrees	degree	NOUN	Number=Plur	3 west	obl:unmarked
3	west	west	ADV	_	root	root
4	of	of	ADP	_	5 Greenwich	case
5	Greenwich	Greenwich	PROPN	Number=Sing	3 west	obl

The frames reader finds no event or fact in this sentence.

Option 3 · ✓ the right answer

Thirty degrees west of Greenwich

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Thirty	thirty	NUM	NumForm=Word NumType=Card	2 degrees	nummod
2	degrees	degree	NOUN	Number=Plur	3 west	obl:unmarked
3	west	west	ADV	_	root	root
4	of	of	ADP	_	5 Greenwich	case
5	Greenwich	Greenwich	PROPN	Number=Sing	3 west	obl

The frames reader finds no event or fact in this sentence.

Option 4

Fifteen degrees west of Greenwich

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Fifteen	fifteen	NUM	NumForm=Word NumType=Card	2 degrees	nummod
2	degrees	degree	NOUN	Number=Plur	3 west	obl:unmarked
3	west	west	ADV	_	root	root
4	of	of	ADP	_	5 Greenwich	case
5	Greenwich	Greenwich	PROPN	Number=Sing	3 west	obl

The frames reader finds no event or fact in this sentence.

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/world/123-pendulums-greenwich-atomic-clocks/e2/