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Test 8 · ★★★ · Olympiad: sound, light, heat, electricity and magnets ★★★

Your compass swings the wrong way while you hold a steel torch right next to it. Why?

Mova's choice: option 1 · The right answer: option 1 · right ✓ · Who acts: compass, you · What happens: swing, hold · To what, where: wrong way, steel torch

This is test 8 · ★★★ of lesson 43 «Olympiad: sound, light, heat, electricity and magnets ★★★» 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: Your compass swings the wrong way while you hold a steel torch right next to it.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Your	your	PRON	Case=Gen Person=2 Poss=Yes PronType=Prs	2 compass	nmod:poss
2	compass	compass	NOUN	Number=Sing	3 swings	nsubj
3	swings	swing	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	the	the	DET	Definite=Def PronType=Art	6 way	det
5	wrong	wrong	ADJ	Degree=Pos	6 way	amod
6	way	way	NOUN	Number=Sing	3 swings	obj
7	while	while	SCONJ	_	9 hold	mark
8	you	you	PRON	Case=Nom Person=2 PronType=Prs	9 hold	nsubj
9	hold	hold	VERB	Mood=Ind Number=Sing Person=2 Tense=Pres VerbForm=Fin	3 swings	advcl
10	a	a	DET	Definite=Ind PronType=Art	12 torch	det
11	steel	steel	NOUN	Number=Sing	12 torch	compound
12	torch	torch	NOUN	Number=Sing	9 hold	obj
13	right	right	ADV	_	14 next	advmod
14	next	next	ADV	_	9 hold	advmod
15	to	to	ADP	_	16 it	case
16	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	14 next	obl
17	.	.	PUNCT	_	3 swings	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	swing	present	Your compass	the wrong way					vn roll-51.3.1 «NP V ADJ.result»: agent=Theme way=Result
2	hold	present	you	a steel torch				next property	vn keep-15.2 «NP V NP»: agent=Agent torch=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: Why?

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Why	why	ADV	PronType=Int	root	root
2	?	?	PUNCT	_	1 Why	punct

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

The options

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

The steel pulls the needle harder than the Earth does

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 steel	det
2	steel	steel	NOUN	Number=Sing	3 pulls	nsubj
3	pulls	pull	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	the	the	DET	Definite=Def PronType=Art	5 needle	det
5	needle	needle	NOUN	Number=Sing	3 pulls	obj
6	harder	hard	ADJ	Degree=Cmp	3 pulls	xcomp
7	than	than	ADP	_	9 Earth	case
8	the	the	DET	Definite=Def PronType=Art	9 Earth	det
9	Earth	Earth	PROPN	Number=Sing	6 harder	obl
10	does	do	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 pulls	advcl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	pull	present	the steel	the needle				hard property	vn push-12-1 «NP V NP»: agent=Agent needle=Theme
2	do	present	the steel not said here						vn act-114-1 «NP V»: agent=Agent

Option 2

The batteries in the torch make the north pole move about

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 batteries	det
2	batteries	battery	NOUN	Number=Plur	6 make	nsubj
3	in	in	ADP	_	5 torch	case
4	the	the	DET	Definite=Def PronType=Art	5 torch	det
5	torch	torch	NOUN	Number=Sing	2 batteries	nmod
6	make	make	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
7	the	the	DET	Definite=Def PronType=Art	9 pole	det
8	north	north	NOUN	Number=Sing	9 pole	compound
9	pole	pole	NOUN	Number=Sing	10 move	nsubj
10	move	move	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	6 make	ccomp
11	about	about	ADV	_	10 move	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	make	present	the batteries in the torch						tree rules
2	move about	present	the north pole					about property	vn roll-51.3.1 «NP.theme V»: agent=Theme

Option 3

Compasses only work in bright daylight

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Compasses	compass	NOUN	Number=Plur	3 work	nsubj
2	only	only	ADV	_	3 work	advmod
3	work	work	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
4	in	in	ADP	_	6 daylight	case
5	bright	bright	ADJ	Degree=Pos	6 daylight	amod
6	daylight	daylight	NOUN	Number=Sing	3 work	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	work	present	Compasses					in bright daylight	vn employment-95.3 «NP V PP.theme»: agent=Agent in daylight=Theme

Option 4

The torch beam pushes the needle round

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	3 beam	det
2	torch	torch	NOUN	Number=Sing	3 beam	compound
3	beam	beam	NOUN	Number=Sing	4 pushes	nsubj
4	pushes	push	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
5	the	the	DET	Definite=Def PronType=Art	6 needle	det
6	needle	needle	NOUN	Number=Sing	4 pushes	obj
7	round	round	ADV	_	4 pushes	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	push	present	the torch beam	the needle				round property	vn carry-11.4-1-1 «NP V NP»: agent=Agent needle=Theme

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/43-olympiad-sound-light-heat-and-magnets/t8/