Exam question 1 · The fizz: vinegar, lemon and soda

Identify the gas liberated when an acid such as vinegar reacts with baking soda.

Mova's choice: option 1 · The right answer: option 4 · wrong ✗ · Who acts: you, acid · What happens: identify, liberate, react · To what, where: gas

This is exam question 1 of lesson 18 «The fizz: vinegar, lemon and soda» of the chemistry course of Mova's primary school, asked in stiff, formal language. 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	Identify	identify	VERB	Mood=Imp VerbForm=Fin	root	root
2	the	the	DET	Definite=Def PronType=Art	3 gas	det
3	gas	gas	NOUN	Number=Sing	1 Identify	obj
4	liberated	liberate	VERB	Tense=Past VerbForm=Part Voice=Pass	1 Identify	xcomp
5	when	when	SCONJ	_	11 reacts	mark
6	an	a	DET	Definite=Ind PronType=Art	7 acid	det
7	acid	acid	NOUN	Number=Sing	11 reacts	nsubj
8	such	such	ADJ	Degree=Pos ExtPos=ADP	10 vinegar	case
9	as	as	ADP	_	8 such	fixed
10	vinegar	vinegar	NOUN	Number=Sing	7 acid	nmod
11	reacts	react	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	1 Identify	advcl
12	with	with	ADP	_	14 soda	case
13	baking	baking	NOUN	Number=Sing	14 soda	compound
14	soda	soda	NOUN	Number=Sing	11 reacts	obl
15	.	.	PUNCT	_	1 Identify	punct

#	verb	tense, mood	who	what, whom	other	roles by
1	identify	imperative	you not said here	the gas		vn characterize-29.2-1-1 «NP V NP to be ADJ»: agent=Agent gas=Theme clause=Attribute
2	liberate	participle	you not said here			vn steal-10.5 «NP V NP»: agent=Agent
3	react	present	a acid such vinegar		with baking soda	vn respond-113 «NP V PP.predicate»: agent=Agent with soda=Eventuality

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

Oxygen

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Oxygen	oxygen	NOUN	Number=Sing	root	root

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

Option 2

Hydrogen

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Hydrogen	hydrogen	NOUN	Number=Sing	root	root

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

Option 3

Nitrogen

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Nitrogen	Nitrogen	PROPN	Number=Sing	root	root

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

Option 4 · ✓ the right answer

Carbon dioxide

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Carbon	carbon	NOUN	Number=Sing	2 dioxide	compound
2	dioxide	dioxide	NOUN	Number=Sing	root	root

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

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/18-the-fizz-vinegar-lemon-and-soda/e1/