Test 1 · ★★ · Riding a bike: why it stays up

My friend says a bike stays up cos the wheels spin like a top. right?

Mova's choice: option 4 · The right answer: option 4 · right ✓ · Who acts: friend, bike, wheels · What happens: say, stay up, spin · Speech: someone speaks here

This is test 1 · ★★ of lesson 9 «Riding a bike: why it stays up» 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

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	My	my	PRON	Case=Gen Number=Sing Person=1 Poss=Yes PronType=Prs	2 friend	nmod:poss
2	friend	friend	NOUN	Number=Sing	3 says	nsubj
3	says	say	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	a	a	DET	Definite=Ind PronType=Art	5 bike	det
5	bike	bike	NOUN	Number=Sing	6 stays	nsubj
6	stays	stay	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 says	ccomp
7	up	up	ADP	_	6 stays	compound:prt
8	cos	cos	SCONJ	_	11 spin	mark
9	the	the	DET	Definite=Def PronType=Art	10 wheels	det
10	wheels	wheel	NOUN	Number=Plur	11 spin	nsubj
11	spin	spin	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	6 stays	advcl
12	like	like	ADP	_	14 top	case
13	a	a	DET	Definite=Ind PronType=Art	14 top	det
14	top	top	NOUN	Number=Sing	11 spin	obl
15	.	.	PUNCT	_	3 says	punct
16	right	right	ADV	_	3 says	advmod
17	?	?	PUNCT	_	3 says	punct

#	verb	tense, mood	who	other	roles by
1	say speech: assert	present	My friend	right property	vn say-37.7-1-1 «NP V that S»: agent=Agent clause=Topic
2	stay up	present	a bike		vn exist-47.1 «NP V»: agent=Theme
3	spin	present	the wheels	like a top	vn roll-51.3.1 «NP.theme 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.

The options

Option 1

Yes, that is the one magic trick

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Yes	yes	INTJ	Polarity=Pos	8 trick	discourse
2	,	,	PUNCT	_	1 Yes	punct
3	that	that	PRON	Number=Sing PronType=Dem	8 trick	nsubj
4	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	8 trick	cop
5	the	the	DET	Definite=Def PronType=Art	8 trick	det
6	one	one	NOUN	Number=Sing	7 magic	compound
7	magic	magic	NOUN	Number=Sing	8 trick	compound
8	trick	trick	NOUN	Number=Sing	root	root

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is a	present	that	the magic trick					tree rules

Option 2

No, it is the air in the tyres

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	No	no	INTJ	Polarity=Neg	6 air	discourse
2	,	,	PUNCT	_	1 No	punct
3	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	6 air	nsubj
4	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	6 air	cop
5	the	the	DET	Definite=Def PronType=Art	6 air	det
6	air	air	NOUN	Number=Sing	root	root
7	in	in	ADP	_	9 tyres	case
8	the	the	DET	Definite=Def PronType=Art	9 tyres	det
9	tyres	tyre	NOUN	Number=Plur	6 air	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is a	present	it	the air		the tyres			tree rules

Option 3

Yes, it is only the spinning

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Yes	yes	INTJ	Polarity=Pos	7 spinning	discourse
2	,	,	PUNCT	_	1 Yes	punct
3	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	7 spinning	nsubj
4	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	7 spinning	cop
5	only	only	ADV	_	7 spinning	advmod
6	the	the	DET	Definite=Def PronType=Art	7 spinning	det
7	spinning	spinning	NOUN	Number=Sing	root	root

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is a	present	it	the spinning					tree rules

Option 4 · ← Mova's choice · ✓ the right answer

Not really, it is mostly steering and the bike's shape

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Not	not	PART	Polarity=Neg	7 steering	advmod
2	really	really	ADV	_	7 steering	advmod
3	,	,	PUNCT	_	7 steering	punct
4	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	7 steering	nsubj
5	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	7 steering	aux
6	mostly	mostly	ADV	_	7 steering	advmod
7	steering	steer	VERB	Tense=Pres VerbForm=Part	root	root
8	and	and	CCONJ	_	12 shape	cc
9	the	the	DET	Definite=Def PronType=Art	10 bike	det
10	bike	bike	NOUN	Number=Sing	12 shape	nmod:poss
11	's	's	PART	_	10 bike	case
12	shape	shape	NOUN	Number=Sing	7 steering	conj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	not steer	present · progressive	it					mostly property	vn accompany-51.7 «NP V NP»: 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/9-riding-a-bike/t1/