Test 5 · ★ · Teeth: enamel, sugar, holes, brushing and the dentist

What would happen if nobody cleaned plaque off a tooth for weeks?

Mova's choice: option 2 · The right answer: option 2 · right ✓ · Who acts: nobody · What happens: happen, clean · To what, where: plaque, tooth

This is test 5 · ★ of lesson 352 «Teeth: enamel, sugar, holes, brushing and the dentist» of the biology 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	What	what	PRON	PronType=Int	3 happen	nsubj
2	would	would	AUX	VerbForm=Fin	3 happen	aux
3	happen	happen	VERB	VerbForm=Inf	root	root
4	if	if	SCONJ	_	6 cleaned	mark
5	nobody	nobody	PRON	Number=Sing PronType=Neg	6 cleaned	nsubj
6	cleaned	clean	VERB	Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin	3 happen	advcl
7	plaque	plaque	NOUN	Number=Sing	6 cleaned	obj
8	off	off	ADP	_	10 tooth	case
9	a	a	DET	Definite=Ind PronType=Art	10 tooth	det
10	tooth	tooth	NOUN	Number=Sing	6 cleaned	obl
11	for	for	ADP	_	12 weeks	case
12	weeks	week	NOUN	Number=Plur	6 cleaned	obl
13	?	?	PUNCT	_	3 happen	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	happen	would							vn occur-48.3-1 «NP V»: agent=Theme
2	clean a condition, not said to happen	past	nobody	plaque		a tooth	week		vn clear-10.3 «NP V NP PP.source»: agent=Agent plaque=Theme off tooth=Source

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

It would make the tooth harder

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 make	nsubj
2	would	would	AUX	VerbForm=Fin	3 make	aux
3	make	make	VERB	VerbForm=Inf	root	root
4	the	the	DET	Definite=Def PronType=Art	5 tooth	det
5	tooth	tooth	NOUN	Number=Sing	3 make	obj
6	harder	hard	ADJ	Degree=Cmp	3 make	xcomp

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	make	would	It	the tooth				hard property	vn build-26.1-1 «NP.material V NP»: agent=Material tooth=Product

Option 2 · ← Mova's choice · ✓ the right answer

It could harden into tartar that only a dentist can remove

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 harden	nsubj
2	could	could	AUX	VerbForm=Fin	3 harden	aux
3	harden	harden	VERB	VerbForm=Inf	root	root
4	into	into	ADP	_	5 tartar	case
5	tartar	tartar	NOUN	Number=Sing	3 harden	obl
6	that	that	PRON	PronType=Rel	11 remove	obj
7	only	only	ADV	_	9 dentist	advmod
8	a	a	DET	Definite=Ind PronType=Art	9 dentist	det
9	dentist	dentist	NOUN	Number=Sing	11 remove	nsubj
10	can	can	AUX	VerbForm=Fin	11 remove	aux
11	remove	remove	VERB	VerbForm=Inf	5 tartar	acl:relcl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	harden	could	It			tartar			vn other_cos-45.4 «NP.patient V»: agent=Patient
2	remove	can	a dentist	tartar					vn fire-10.10 «NP V NP»: agent=Agent that=Theme

Option 3

It would turn into new enamel

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 turn	nsubj
2	would	would	AUX	VerbForm=Fin	3 turn	aux
3	turn	turn	VERB	VerbForm=Inf	root	root
4	into	into	ADP	_	6 enamel	case
5	new	new	ADJ	Degree=Pos	6 enamel	amod
6	enamel	enamel	NOUN	Number=Sing	3 turn	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	turn	would	It			new enamel			vn roll-51.3.1 «NP V PP.trajectory»: agent=Theme into enamel=Trajectory

Option 4

It would fall off by itself each night

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 fall	nsubj
2	would	would	AUX	VerbForm=Fin	3 fall	aux
3	fall	fall	VERB	VerbForm=Inf	root	root
4	off	off	ADP	_	3 fall	compound:prt
5	by	by	ADP	_	6 itself	case
6	itself	itself	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs Reflex=Yes	3 fall	obl
7	each	each	DET	PronType=Tot	8 night	det
8	night	night	NOUN	Number=Sing	3 fall	obl:unmarked

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	fall off	would	It				night	by itself = it	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.

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