Test 7 · ★ · Living with friction: oil, wheels and grip

Why does a fisherman wet his hands before holding a fish?

Mova's choice: option 3 · The right answer: option 3 · right ✓ · Who acts: fisherman · What happens: wet, hold · To what, where: hands, fish

This is test 7 · ★ of lesson 7 «Living with friction: oil, wheels and grip» 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 wet	advmod
2	does	do	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	5 wet	aux
3	a	a	DET	Definite=Ind PronType=Art	4 fisherman	det
4	fisherman	fisherman	NOUN	Number=Sing	5 wet	nsubj
5	wet	wet	VERB	Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin	root	root
6	his	his	PRON	Case=Gen Gender=Masc Number=Sing Person=3 Poss=Yes PronType=Prs	7 hands	nmod:poss
7	hands	hand	NOUN	Number=Plur	5 wet	obj
8	before	before	SCONJ	_	9 holding	mark
9	holding	hold	VERB	Tense=Pres VerbForm=Part	5 wet	advcl
10	a	a	DET	Definite=Ind PronType=Art	11 fish	det
11	fish	fish	NOUN	Number=Sing	9 holding	obj
12	?	?	PUNCT	_	5 wet	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	wet	present · do-support	a fisherman	fisherman's hands					vn other_cos-45.4 «NP V NP.patient»: agent=Agent hand=Patient
2	hold	gerund	a fisherman not said here	a fish					vn keep-15.2 «NP V NP»: agent=Agent fish=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

So the fish stays heavier

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	So	so	ADV	_	4 stays	advmod
2	the	the	DET	Definite=Def PronType=Art	3 fish	det
3	fish	fish	NOUN	Number=Sing	4 stays	nsubj
4	stays	stay	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
5	heavier	heavy	ADJ	Degree=Cmp	4 stays	xcomp

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	stay	present	the fish					heavy property	vn exist-47.1 «NP V»: agent=Theme

Option 2

So the fish is easier to grip

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	So	so	ADV	_	5 easier	advmod
2	the	the	DET	Definite=Def PronType=Art	3 fish	det
3	fish	fish	NOUN	Number=Sing	5 easier	nsubj
4	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	5 easier	cop
5	easier	easy	ADJ	Degree=Cmp	root	root
6	to	to	PART	_	7 grip	mark
7	grip	grip	VERB	VerbForm=Inf	5 easier	xcomp

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	the fish					easy property	tree rules
2	grip	to-infinitive	the fish not said here						vn touch-20-1 «NP V NP»: agent=Agent

Option 3 · ← Mova's choice · ✓ the right answer

So he does not rub off the slime that protects it

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	So	so	ADV	_	5 rub	advmod
2	he	he	PRON	Case=Nom Gender=Masc Number=Sing Person=3 PronType=Prs	5 rub	nsubj
3	does	do	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	5 rub	aux
4	not	not	PART	Polarity=Neg	5 rub	advmod
5	rub	rub	VERB	VerbForm=Inf	root	root
6	off	off	ADP	_	5 rub	compound:prt
7	the	the	DET	Definite=Def PronType=Art	8 slime	det
8	slime	slime	NOUN	Number=Sing	5 rub	obj
9	that	that	PRON	PronType=Rel	10 protects	nsubj
10	protects	protect	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	8 slime	acl:relcl
11	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	10 protects	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	not rub off	present · do-support	he	the slime					vn spray-9.7-1 «NP V NP.theme»: agent=Agent slime=Theme
2	protect	present	the slime	slime					vn defend-72.3 «NP V NP»: agent=Agent it=Beneficiary

Option 4

Because dry hands are too cold

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Because	because	SCONJ	_	6 cold	mark
2	dry	dry	ADJ	Degree=Pos	3 hands	amod
3	hands	hand	NOUN	Number=Plur	6 cold	nsubj
4	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	6 cold	cop
5	too	too	ADV	_	6 cold	advmod
6	cold	cold	ADJ	Degree=Pos	root	root

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	dry hands					cold property	tree rules

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.

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