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Test 2 · Static electricity: balloons, hair and sparks

A thin stream of water from the tap bends towards a rubbed comb. What does this show?

Mova's choice: option 1 · The right answer: option 1 · right ✓ · Who acts: thin stream, this · What happens: bend, rub, show · To what, where: rubbed comb

This is test 2 of lesson 26 «Static electricity: balloons, hair and sparks» 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: A thin stream of water from the tap bends towards a rubbed comb.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	A	a	DET	Definite=Ind PronType=Art	3 stream	det
2	thin	thin	ADJ	Degree=Pos	3 stream	amod
3	stream	stream	NOUN	Number=Sing	9 bends	nsubj
4	of	of	ADP	_	5 water	case
5	water	water	NOUN	Number=Sing	3 stream	nmod
6	from	from	ADP	_	8 tap	case
7	the	the	DET	Definite=Def PronType=Art	8 tap	det
8	tap	tap	NOUN	Number=Sing	3 stream	nmod
9	bends	bend	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
10	towards	towards	ADP	_	13 comb	case
11	a	a	DET	Definite=Ind PronType=Art	13 comb	det
12	rubbed	rub	VERB	Tense=Past VerbForm=Part Voice=Pass	13 comb	amod
13	comb	comb	NOUN	Number=Sing	9 bends	obl
14	.	.	PUNCT	_	9 bends	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	bend	present	a thin stream of water from the tap			a rubbed comb			vn meander-47.7-1 «NP V PP.location»: agent=Theme towards comb=Location
2	rub	participle							vn spray-9.7-1 «NP V PP.destination»: 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: What does this show?

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	What	what	PRON	PronType=Int	4 show	obj
2	does	do	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 show	aux
3	this	this	PRON	Number=Sing PronType=Dem	4 show	nsubj
4	show	show	VERB	VerbForm=Inf	root	root
5	?	?	PUNCT	_	4 show	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	show	present · do-support	this						vn transfer_mesg-37.1.1-1-1 «NP V NP.recipient»: agent=Agent what=Recipient

The options

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

The charged comb pulls on the water

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	3 comb	det
2	charged	charge	VERB	Tense=Past VerbForm=Part Voice=Pass	3 comb	amod
3	comb	comb	NOUN	Number=Sing	4 pulls	nsubj
4	pulls	pull	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
5	on	on	ADP	_	7 water	case
6	the	the	DET	Definite=Def PronType=Art	7 water	det
7	water	water	NOUN	Number=Sing	4 pulls	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	charge	participle							vn run-51.3.2 «NP V»: agent=Theme
2	pull	present	the charged comb					on the water	vn push-12-1 «NP V PP-Conative»: agent=Agent on water=Theme

Option 2

The water has partly frozen into ice

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 water	det
2	water	water	NOUN	Number=Sing	5 frozen	nsubj:pass
3	has	have	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	5 frozen	aux
4	partly	partly	ADV	_	5 frozen	advmod
5	frozen	freeze	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
6	into	into	ADP	_	7 ice	case
7	ice	ice	NOUN	Number=Sing	5 frozen	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	freeze	present · perfect · passive		the water		ice		partly property	vn other_cos-45.4-1 «NP V NP ADJ»: subject=Result

Option 3

The comb blows a little air at the water

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 comb	det
2	comb	comb	NOUN	Number=Sing	3 blows	nsubj
3	blows	blow	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	a	a	DET	Definite=Ind PronType=Art	6 air	det
5	little	little	ADJ	Degree=Pos	6 air	amod
6	air	air	NOUN	Number=Sing	3 blows	obj
7	at	at	ADP	_	9 water	case
8	the	the	DET	Definite=Def PronType=Art	9 water	det
9	water	water	NOUN	Number=Sing	3 blows	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	blow	present	the comb	a little air		the water			vn split-23.2 «NP V NP apart»: agent=Agent air=Patient

Option 4

The comb has turned into a small magnet

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 comb	det
2	comb	comb	NOUN	Number=Sing	4 turned	nsubj:pass
3	has	have	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 turned	aux
4	turned	turn	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
5	into	into	ADP	_	8 magnet	case
6	a	a	DET	Definite=Ind PronType=Art	8 magnet	det
7	small	small	ADJ	Degree=Pos	8 magnet	amod
8	magnet	magnet	NOUN	Number=Sing	4 turned	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	turn	present · perfect · passive		the comb		a small magnet			vn roll-51.3.1 «NP V NP PP.trajectory»: subject=Theme into magnet=Trajectory

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/26-static-electricity-balloons-hair-and-sparks/t2/