Test 8 · ★ · Compasses and the magnetic Earth

Dad says the Earth is a magnet because there's a giant magnet stone at the North Pole. True?

Mova's choice: option 1 · The right answer: option 1 · right ✓ · Who acts: Dad, Earth, giant magnet stone · What happens: say, be · To what, where: magnet · Speech: someone speaks here

This is test 8 · ★ of lesson 30 «Compasses and the magnetic Earth» of the physics 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

Sentence 1: Dad says the Earth is a magnet because there's a giant magnet stone at the North Pole.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Dad	dad	NOUN	Number=Sing	2 says	nsubj
2	says	say	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	the	the	DET	Definite=Def PronType=Art	4 Earth	det
4	Earth	Earth	PROPN	Number=Sing	7 magnet	nsubj
5	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	7 magnet	cop
6	a	a	DET	Definite=Ind PronType=Art	7 magnet	det
7	magnet	magnet	NOUN	Number=Sing	2 says	ccomp
8	because	because	SCONJ	_	10 's	mark
9	there	there	PRON	PronType=Dem	10 's	expl
10	's	be	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	2 says	ccomp
11	a	a	DET	Definite=Ind PronType=Art	14 stone	det
12	giant	giant	ADJ	Degree=Pos	14 stone	amod
13	magnet	magnet	NOUN	Number=Sing	14 stone	compound
14	stone	stone	NOUN	Number=Sing	10 's	nsubj
15	at	at	ADP	_	18 Pole	case
16	the	the	DET	Definite=Def PronType=Art	18 Pole	det
17	North	North	PROPN	Number=Sing	18 Pole	compound
18	Pole	Pole	PROPN	Number=Sing	14 stone	nmod
19	.	.	PUNCT	_	2 says	punct

#	verb	tense, mood	who	what, whom	where	roles by
1	say speech: assert	present	Dad			vn say-37.7-1-1 «NP V that S»: agent=Agent clause=Topic
2	is a	present	the Earth	a magnet		tree rules
3	be	present	a giant magnet stone at the North Pole		there	vn exist-47.1 «NP V»: agent=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.

Sentence 2: True?

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	True	true	ADJ	Degree=Pos	root	root
2	?	?	PUNCT	_	1 True	punct

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

The options

Option 1 · ← Mova's choice · ✓ the right answer

No, it comes from liquid iron moving deep in the core

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	No	no	INTJ	Polarity=Neg	4 comes	discourse
2	,	,	PUNCT	_	4 comes	punct
3	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	4 comes	nsubj
4	comes	come	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
5	from	from	ADP	_	7 iron	case
6	liquid	liquid	ADJ	Degree=Pos	7 iron	amod
7	iron	iron	NOUN	Number=Sing	4 comes	obl
8	moving	move	VERB	VerbForm=Ger	7 iron	acl
9	deep	deep	ADV	_	8 moving	advmod
10	in	in	ADP	_	12 core	case
11	the	the	DET	Definite=Def PronType=Art	12 core	det
12	core	core	NOUN	Number=Sing	8 moving	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	come	present	it			liquid iron			vn escape-51.1-1 «NP V PP.initial_location»: agent=Theme from iron=Initial_Location
2	move	gerund	liquid iron not said here			the core		deep property	vn roll-51.3.1 «NP V PP.trajectory»: agent=Theme in core=Trajectory

Option 2

Yes, it is under the ice at the South Pole

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Yes	yes	INTJ	Polarity=Pos	7 ice	discourse
2	,	,	PUNCT	_	1 Yes	punct
3	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	7 ice	nsubj
4	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	7 ice	cop
5	under	under	ADP	_	7 ice	case
6	the	the	DET	Definite=Def PronType=Art	7 ice	det
7	ice	ice	NOUN	Number=Sing	root	root
8	at	at	ADP	_	11 Pole	case
9	the	the	DET	Definite=Def PronType=Art	11 Pole	det
10	South	South	PROPN	Number=Sing	11 Pole	compound
11	Pole	Pole	PROPN	Number=Sing	7 ice	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	it			the ice		at the South Pole	tree rules

Option 3

No, it is the Moon's pull that makes the whole Earth magnetic

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	No	no	INTJ	Polarity=Neg	8 pull	discourse
2	,	,	PUNCT	_	1 No	punct
3	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	8 pull	nsubj
4	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	8 pull	cop
5	the	the	DET	Definite=Def PronType=Art	6 Moon	det
6	Moon	Moon	PROPN	Number=Sing	8 pull	nmod:poss
7	's	's	PART	_	6 Moon	case
8	pull	pull	NOUN	Number=Sing	root	root
9	that	that	PRON	PronType=Rel	10 makes	nsubj
10	makes	make	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	8 pull	acl:relcl
11	the	the	DET	Definite=Def PronType=Art	13 Earth	det
12	whole	whole	ADJ	Degree=Pos	13 Earth	amod
13	Earth	Earth	PROPN	Number=Sing	10 makes	obj
14	magnetic	magnetic	ADJ	Degree=Pos	10 makes	xcomp

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is a	present	it	the Moon's pull					tree rules
2	make	present	the Moon's pull	the whole Earth				magnetic property	vn build-26.1-1 «NP.asset V NP»: agent=Asset earth=Product

Option 4

Yes, a huge magnet rock sits there

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Yes	yes	INTJ	Polarity=Pos	7 sits	discourse
2	,	,	PUNCT	_	1 Yes	punct
3	a	a	DET	Definite=Ind PronType=Art	6 rock	det
4	huge	huge	ADJ	Degree=Pos	6 rock	amod
5	magnet	magnet	NOUN	Number=Sing	6 rock	compound
6	rock	rock	NOUN	Number=Sing	7 sits	nsubj
7	sits	sit	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
8	there	there	ADV	PronType=Dem	7 sits	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	sit	present	a huge magnet rock			there			vn assuming_position-50 «NP V»: agent=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.

This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/questions/physics/30-compasses-and-the-magnetic-earth/t8/