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Test 2 · Acids in the kitchen

"stomach acid is strong, so why isn't there a hole in me?" What's the answer?

Mova's choice: option 3 · The right answer: option 3 · right ✓ · Who acts: stomach acid, hole, answer · What happens: be, not be

This is test 2 of lesson 15 «Acids in the kitchen» of the chemistry 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: "stomach acid is strong, so why isn't there a hole in me?"

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	"	"	PUNCT	_	5 strong	punct
2	stomach	stomach	NOUN	Number=Sing	3 acid	compound
3	acid	acid	NOUN	Number=Sing	5 strong	nsubj
4	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	5 strong	cop
5	strong	strong	ADJ	Degree=Pos	root	root
6	,	,	PUNCT	_	11 there	punct
7	so	so	ADV	_	11 there	advmod
8	why	why	ADV	PronType=Int	11 there	advmod
9	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	11 there	cop
10	n't	not	PART	Polarity=Neg	11 there	advmod
11	there	there	ADV	PronType=Dem	5 strong	conj
12	a	a	DET	Definite=Ind PronType=Art	13 hole	det
13	hole	hole	NOUN	Number=Sing	11 there	nsubj
14	in	in	ADP	_	15 me	case
15	me	I	PRON	Case=Acc Number=Sing Person=1 PronType=Prs	13 hole	nmod
16	?	?	PUNCT	_	5 strong	punct
17	"	"	PUNCT	_	5 strong	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is in a quote	present	stomach acid					strong property	tree rules
2	not is in a quote	present	a hole in me					there property	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.

Sentence 2: What's the answer?

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	What	what	PRON	PronType=Int	root	root
2	's	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	1 What	cop
3	the	the	DET	Definite=Def PronType=Art	4 answer	det
4	answer	answer	NOUN	Number=Sing	1 What	nsubj
5	?	?	PUNCT	_	1 What	punct

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

The options

Option 1

The acid is used up on food before it ever touches the wall

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 acid	det
2	acid	acid	NOUN	Number=Sing	4 used	nsubj:pass
3	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 used	aux:pass
4	used	use	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
5	up	up	ADP	_	4 used	compound:prt
6	on	on	ADP	_	7 food	case
7	food	food	NOUN	Number=Sing	4 used	obl
8	before	before	SCONJ	_	11 touches	mark
9	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	11 touches	nsubj
10	ever	ever	ADV	PronType=Ind	11 touches	advmod
11	touches	touch	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 used	advcl
12	the	the	DET	Definite=Def PronType=Art	13 wall	det
13	wall	wall	NOUN	Number=Sing	11 touches	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	use up	present · passive		the acid		food			vn eat-39.1 «NP V NP»: subject=Patient
2	touch	present	acid	the wall			ever		vn contiguous_location-47.8-1 «NP V NP»: agent=Theme wall=Co-Theme

Option 2

Stomach acid is actually just warm water

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Stomach	stomach	NOUN	Number=Sing	2 acid	compound
2	acid	acid	NOUN	Number=Sing	7 water	nsubj
3	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	7 water	cop
4	actually	actually	ADV	_	7 water	advmod
5	just	just	ADV	_	6 warm	advmod
6	warm	warm	ADJ	Degree=Pos	7 water	amod
7	water	water	NOUN	Number=Sing	root	root

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is a	present	Stomach acid	warm water				actually property	tree rules

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

A layer of mucus protects the stomach wall

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	A	a	DET	Definite=Ind PronType=Art	2 layer	det
2	layer	layer	NOUN	Number=Sing	5 protects	nsubj
3	of	of	ADP	_	4 mucus	case
4	mucus	mucus	NOUN	Number=Sing	2 layer	nmod
5	protects	protect	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
6	the	the	DET	Definite=Def PronType=Art	8 wall	det
7	stomach	stomach	NOUN	Number=Sing	8 wall	compound
8	wall	wall	NOUN	Number=Sing	5 protects	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	protect	present	a layer of mucus	the stomach wall					vn defend-72.3 «NP V NP»: agent=Agent wall=Beneficiary

Option 4

The stomach is lined with metal

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 stomach	det
2	stomach	stomach	NOUN	Number=Sing	4 lined	nsubj:pass
3	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	4 lined	aux:pass
4	lined	line	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
5	with	with	ADP	_	6 metal	case
6	metal	metal	NOUN	Number=Sing	4 lined	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	line	present · passive		the stomach				with metal	vn fill-9.8-1 «NP V NP PP.theme»: subject=Destination with metal=Theme

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/chemistry/15-acids-in-the-kitchen/t2/