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Test 7 · Magnets: pulling and pushing without touching

Chloe pushes two magnets together and feels a soft springy push. What is happening?

Mova's choice: option 3 · The right answer: option 4 · wrong ✗ · Who acts: Chloe · What happens: push, feel, happen · To what, where: two magnets, soft springy push

This is test 7 of lesson 29 «Magnets: pulling and pushing without touching» 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: Chloe pushes two magnets together and feels a soft springy push.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Chloe	Chloe	PROPN	Number=Sing	2 pushes	nsubj
2	pushes	push	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	two	two	NUM	NumForm=Word NumType=Card	4 magnets	nummod
4	magnets	magnet	NOUN	Number=Plur	2 pushes	obj
5	together	together	ADV	_	2 pushes	advmod
6	and	and	CCONJ	_	7 feels	cc
7	feels	feel	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	2 pushes	conj
8	a	a	DET	Definite=Ind PronType=Art	11 push	det
9	soft	soft	ADJ	Degree=Pos	11 push	amod
10	springy	springy	ADJ	Degree=Pos	11 push	amod
11	push	push	NOUN	Number=Sing	7 feels	obj
12	.	.	PUNCT	_	2 pushes	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	push	present	Chloe	two magnets				together property	vn carry-11.4-1-1 «NP V NP»: agent=Agent magnet=Theme
2	feel	present	Chloe not said here	a soft springy push					vn hunt-35.1 «NP V NP»: agent=Agent push=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: What is happening?

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	What	what	PRON	PronType=Int	3 happening	nsubj
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 happening	aux
3	happening	happen	VERB	Tense=Pres VerbForm=Part	root	root
4	?	?	PUNCT	_	3 happening	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	happen	present · progressive							vn occur-48.3-1 «NP V»: agent=Theme

The options

Option 1

The magnets have run out of power

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 magnets	det
2	magnets	magnet	NOUN	Number=Plur	4 run	nsubj:pass
3	have	have	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	4 run	aux
4	run	run	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
5	out	out	ADP	_	7 power	case
6	of	of	ADP	_	7 power	case
7	power	power	NOUN	Number=Sing	4 run	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	run	present · perfect · passive		the magnets		power			vn run-51.3.2-2-1 «NP V NP PP.trajectory»: subject=Theme out power=Trajectory

Option 2

Air is trapped between the magnets and squashed

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Air	air	NOUN	Number=Sing	3 trapped	nsubj:pass
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 trapped	aux:pass
3	trapped	trap	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
4	between	between	ADP	_	6 magnets	case
5	the	the	DET	Definite=Def PronType=Art	6 magnets	det
6	magnets	magnet	NOUN	Number=Plur	3 trapped	obl
7	and	and	CCONJ	_	8 squashed	cc
8	squashed	squash	VERB	Tense=Past VerbForm=Part Voice=Pass	3 trapped	conj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	trap	present · passive		Air				between the magnets	vn trick-59.2 «NP V NP»: subject=Patient
2	squash	participle							vn bump-18.4-1 «NP V together»: agent=Theme

Option 3 · ← Mova's choice

Unlike poles are pulling together

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Unlike	unlike	ADP	_	4 pulling	mark
2	poles	pole	NOUN	Number=Plur	4 pulling	nsubj
3	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	4 pulling	aux
4	pulling	pull	VERB	Tense=Pres VerbForm=Part	root	root
5	together	together	ADV	_	4 pulling	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	pull together	present · progressive	poles					together property	vn slide-11.2 «NP V»: agent=Theme

Option 4 · ✓ the right answer

Like poles are pushing each other apart

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Like	like	SCONJ	_	4 pushing	mark
2	poles	pole	NOUN	Number=Plur	4 pushing	nsubj
3	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	4 pushing	aux
4	pushing	push	VERB	Tense=Pres VerbForm=Part	root	root
5	each	each	DET	ExtPos=PRON PronType=Rcp	4 pushing	obj
6	other	other	ADJ	Degree=Pos	5 each	fixed
7	apart	apart	ADV	_	4 pushing	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	push	present · progressive	poles	each				apart property	vn carry-11.4-1-1 «NP V NP»: agent=Agent each=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/29-magnets-pulling-and-pushing-without-touching/t7/