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Exam question 3 · Swings and pendulums

It is given that a child is seated upon a swing in motion. Ascertain the position at which the speed of the swing is greatest.

Mova's choice: option 1 · The right answer: option 3 · wrong ✗ · Who acts: you, speed · What happens: give, seat, ascertain, be · To what, where: It, child, position

This is exam question 3 of lesson 10 «Swings and pendulums» of the physics 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

Sentence 1: It is given that a child is seated upon a swing in motion.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	It	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	3 given	nsubj:pass
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 given	aux:pass
3	given	give	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
4	that	that	SCONJ	_	8 seated	mark
5	a	a	DET	Definite=Ind PronType=Art	6 child	det
6	child	child	NOUN	Number=Sing	8 seated	nsubj:pass
7	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	8 seated	aux:pass
8	seated	seat	VERB	Tense=Past VerbForm=Part Voice=Pass	3 given	advcl
9	upon	upon	ADP	_	11 swing	case
10	a	a	DET	Definite=Ind PronType=Art	11 swing	det
11	swing	swing	NOUN	Number=Sing	8 seated	obl
12	in	in	ADP	_	13 motion	case
13	motion	motion	NOUN	Number=Sing	11 swing	nmod
14	.	.	PUNCT	_	3 given	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	give	present · passive		It					vn give-13.1-1 «NP V NP»: subject=Theme
2	seat	present · passive		a child				upon a swing in motion	vn fit-54.3 «NP.location V NP»: subject=Value

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: Ascertain the position at which the speed of the swing is greatest.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Ascertain	ascertain	VERB	Mood=Imp VerbForm=Fin	root	root
2	the	the	DET	Definite=Def PronType=Art	3 position	det
3	position	position	NOUN	Number=Sing	1 Ascertain	obj
4	at	at	ADP	_	5 which	case
5	which	which	PRON	PronType=Rel	12 greatest	obl
6	the	the	DET	Definite=Def PronType=Art	7 speed	det
7	speed	speed	NOUN	Number=Sing	12 greatest	nsubj
8	of	of	ADP	_	10 swing	case
9	the	the	DET	Definite=Def PronType=Art	10 swing	det
10	swing	swing	NOUN	Number=Sing	7 speed	nmod
11	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	12 greatest	cop
12	greatest	great	ADJ	Degree=Sup	3 position	nmod
13	.	.	PUNCT	_	1 Ascertain	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	ascertain	imperative	you not said here	the position					vn discover-84 «NP V NP»: agent=Agent position=Topic
2	is	present	the speed of the swing			the position		great property	tree rules

The options

Option 1 · ← Mova's choice

A point midway towards the top

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	A	a	DET	Definite=Ind PronType=Art	3 midway	det
2	point	point	NOUN	Number=Sing	3 midway	compound
3	midway	midway	NOUN	Number=Sing	root	root
4	towards	towards	ADP	_	6 top	case
5	the	the	DET	Definite=Def PronType=Art	6 top	det
6	top	top	NOUN	Number=Sing	3 midway	nmod

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

Option 2

The speed is uniform throughout

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 speed	det
2	speed	speed	NOUN	Number=Sing	4 uniform	nsubj
3	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 uniform	cop
4	uniform	uniform	ADJ	Degree=Pos	root	root
5	throughout	throughout	PUNCT	_	4 uniform	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	the speed					uniform property	tree rules

Option 3 · ✓ the right answer

The lowest point of its path

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	3 point	det
2	lowest	low	ADJ	Degree=Sup	3 point	amod
3	point	point	NOUN	Number=Sing	root	root
4	of	of	ADP	_	6 path	case
5	its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	6 path	nmod:poss
6	path	path	NOUN	Number=Sing	3 point	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	point			point's path					nom point «cognition transitive»: of=patient

Option 4

The highest point of its path

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	3 point	det
2	highest	high	ADJ	Degree=Sup	3 point	amod
3	point	point	NOUN	Number=Sing	root	root
4	of	of	ADP	_	6 path	case
5	its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	6 path	nmod:poss
6	path	path	NOUN	Number=Sing	3 point	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	point			point's path					nom point «cognition transitive»: of=patient

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/10-swings-and-pendulums/e3/