Test 8 · ★ · Wheels, axles, ramps and screws

Why is an axe thin at the edge and wide at the back?

Mova's choice: option 1 · The right answer: option 1 · right ✓ · Who acts: axe · What happens: be · To what, where: edge, back

This is test 8 · ★ of lesson 34 «Wheels, axles, ramps and screws» 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	Why	why	ADV	PronType=Int	5 thin	advmod
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	5 thin	cop
3	an	a	DET	Definite=Ind PronType=Art	4 axe	det
4	axe	axe	NOUN	Number=Sing	5 thin	nsubj
5	thin	thin	ADJ	Degree=Pos	root	root
6	at	at	ADP	_	8 edge	case
7	the	the	DET	Definite=Def PronType=Art	8 edge	det
8	edge	edge	NOUN	Number=Sing	5 thin	obl
9	and	and	CCONJ	_	10 wide	cc
10	wide	wide	ADJ	Degree=Pos	5 thin	conj
11	at	at	ADP	_	13 back	case
12	the	the	DET	Definite=Def PronType=Art	13 back	det
13	back	back	NOUN	Number=Sing	10 wide	obl
14	?	?	PUNCT	_	5 thin	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	a axe			the edge		thin property	tree rules
2	be		a axe not said here			the back			tree rules

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 · ← Mova's choice · ✓ the right answer

It is a wedge that forces the wood apart

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	4 wedge	nsubj
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 wedge	cop
3	a	a	DET	Definite=Ind PronType=Art	4 wedge	det
4	wedge	wedge	NOUN	Number=Sing	root	root
5	that	that	PRON	PronType=Rel	6 forces	det
6	forces	force	NOUN	Number=Plur	4 wedge	nmod
7	the	the	DET	Definite=Def PronType=Art	8 wood	det
8	wood	wood	NOUN	Number=Sing	6 forces	nmod:unmarked
9	apart	apart	ADV	_	4 wedge	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is a	present	It	a wedge				that forces the wood nmod; apart property	tree rules

Option 2

It is just the old fashion for axes, nothing more

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	6 fashion	nsubj
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	6 fashion	cop
3	just	just	ADV	_	6 fashion	advmod
4	the	the	DET	Definite=Def PronType=Art	6 fashion	det
5	old	old	ADJ	Degree=Pos	6 fashion	amod
6	fashion	fashion	NOUN	Number=Sing	root	root
7	for	for	ADP	_	8 axes	case
8	axes	ax	NOUN	Number=Plur	6 fashion	nmod
9	,	,	PUNCT	_	10 nothing	punct
10	nothing	nothing	PRON	Number=Sing PronType=Neg	6 fashion	appos
11	more	more	ADV	Degree=Cmp	10 nothing	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is a	present	It	the old fashion				for axes	tree rules

Option 3

The thin edge holds more heat and burns the wood

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	3 edge	det
2	thin	thin	ADJ	Degree=Pos	3 edge	amod
3	edge	edge	NOUN	Number=Sing	4 holds	nsubj
4	holds	hold	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
5	more	more	ADJ	Degree=Cmp	6 heat	amod
6	heat	heat	NOUN	Number=Sing	4 holds	obj
7	and	and	CCONJ	_	8 burns	cc
8	burns	burn	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 holds	conj
9	the	the	DET	Definite=Def PronType=Art	10 wood	det
10	wood	wood	NOUN	Number=Sing	8 burns	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	hold	present	the thin edge	more heat					vn keep-15.2 «NP V NP»: agent=Agent heat=Theme
2	burn	present	the thin edge not said here	the wood					vn light_emission-43.1 «NP V NP.theme»: agent=Agent wood=Theme

Option 4

The wide back makes the whole axe lighter to swing

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	3 back	det
2	wide	wide	ADJ	Degree=Pos	3 back	amod
3	back	back	NOUN	Number=Sing	4 makes	nsubj
4	makes	make	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
5	the	the	DET	Definite=Def PronType=Art	7 axe	det
6	whole	whole	ADJ	Degree=Pos	7 axe	amod
7	axe	axe	NOUN	Number=Sing	4 makes	obj
8	lighter	light	ADJ	Degree=Cmp	4 makes	xcomp
9	to	to	PART	_	10 swing	mark
10	swing	swing	VERB	VerbForm=Inf	8 lighter	xcomp

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	make	present	the wide back	the whole axe				light property	vn build-26.1-1 «NP.asset V NP»: agent=Asset axe=Product
2	swing	to-infinitive	the whole axe not said here						vn calibratable_cos-45.6.1-1 «NP.attribute V»: agent=Attribute

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/34-wheels-axles-ramps-and-screws/t8/