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Test 9 · Friction: the grip that stops and helps

A hot sticky day, bare legs on a metal slide. What happens?

Mova's choice: option 1 · The right answer: option 3 · wrong ✗ · What happens: happen

This is test 9 of lesson 6 «Friction: the grip that stops and helps» 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 hot sticky day, bare legs on a metal slide.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	A	a	DET	Definite=Ind PronType=Art	4 day	det
2	hot	hot	ADJ	Degree=Pos	4 day	amod
3	sticky	sticky	ADJ	Degree=Pos	4 day	amod
4	day	day	NOUN	Number=Sing	root	root
5	,	,	PUNCT	_	7 legs	punct
6	bare	bare	ADJ	Degree=Pos	7 legs	amod
7	legs	leg	NOUN	Number=Plur	4 day	nmod
8	on	on	ADP	_	11 slide	case
9	a	a	DET	Definite=Ind PronType=Art	11 slide	det
10	metal	metal	NOUN	Number=Sing	11 slide	compound
11	slide	slide	NOUN	Number=Sing	7 legs	nmod
12	.	.	PUNCT	_	4 day	punct

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

Sentence 2: What happens?

The words, one row each (CoNLL-U)

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

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

The options

Option 1 · ← Mova's choice

You slide twice as fast

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	You	you	PRON	Case=Nom Person=2 PronType=Prs	2 slide	nsubj
2	slide	slide	VERB	Mood=Ind Number=Sing Person=2 Tense=Pres VerbForm=Fin	root	root
3	twice	twice	ADV	NumForm=Word NumType=Mult	2 slide	advmod
4	as	as	ADV	_	5 fast	advmod
5	fast	fast	ADV	Degree=Pos	2 slide	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	slide	present	You					fast, twice property	vn run-51.3.2-2 «NP V»: agent=Theme

Option 2

Nothing changes on hot days

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Nothing	nothing	PRON	Number=Sing PronType=Neg	2 changes	nsubj
2	changes	change	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	on	on	ADP	_	5 days	case
4	hot	hot	ADJ	Degree=Pos	5 days	amod
5	days	day	NOUN	Number=Plur	2 changes	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	change	present	Nothing				day		vn dress-41.1.1-1-1 «NP V»: agent=Agent

Option 3 · ✓ the right answer

Your skin grips and squeaks and you slow down

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	3 grips	nmod:poss
2	skin	skin	NOUN	Number=Sing	3 grips	nsubj
3	grips	grip	NOUN	Number=Plur	8 slow	nsubj
4	and	and	CCONJ	_	5 squeaks	cc
5	squeaks	squeak	NOUN	Number=Plur	3 grips	conj
6	and	and	CCONJ	_	8 slow	cc
7	you	you	PRON	Case=Nom Person=2 PronType=Prs	8 slow	nsubj
8	slow	slow	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
9	down	down	ADP	_	8 slow	compound:prt

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	grip		skin						tree rules
2	slow down	present	Your grips and squeaks						vn other_cos-45.4 «NP.patient V»: agent=Patient

Option 4

The slide gets slippery

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 slide	det
2	slide	slide	NOUN	Number=Sing	3 gets	nsubj
3	gets	get	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	slippery	slippery	ADJ	Degree=Pos	3 gets	xcomp

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	get	present	the slide					slippery property	vn comprehend-87.2-1 «NP V S_ING»: agent=Experiencer

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/6-friction-the-grip/t9/