Exam question 1 · Milk, cheese and yoghurt

Identify the principal cause of the souring of milk left at room temperature.

Mova's choice: option 3 · The right answer: option 3 · right ✓ · Who acts: you, milk · What happens: identify, leave, cause, sour · To what, where: principal cause, milk, room temperature, souring

This is exam question 1 of lesson 22 «Milk, cheese and yoghurt» 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	4 cause	det
3	principal	principal	ADJ	Degree=Pos	4 cause	amod
4	cause	cause	NOUN	Number=Sing	1 Identify	obj
5	of	of	ADP	_	7 souring	case
6	the	the	DET	Definite=Def PronType=Art	7 souring	det
7	souring	souring	NOUN	Number=Sing	4 cause	nmod
8	of	of	ADP	_	9 milk	case
9	milk	milk	NOUN	Number=Sing	7 souring	nmod
10	left	leave	VERB	Tense=Past VerbForm=Part Voice=Pass	9 milk	acl
11	at	at	ADP	_	13 temperature	case
12	room	room	NOUN	Number=Sing	13 temperature	compound
13	temperature	temperature	NOUN	Number=Sing	10 left	obl
14	.	.	PUNCT	_	1 Identify	punct

#	verb	tense, mood	who	what, whom	where	roles by
1	identify	imperative	you not said here	the principal cause of the souring of milk		vn characterize-29.2-1-1 «NP V NP S_ING»: agent=Agent cause=Theme
2	leave	participle		milk not said here	room temperature	vn keep-15.2 «NP V NP PP.location»: agent=Agent at temperature=Location
3	cause			the souring of milk		nom cause «event transitive»: of=patient
4	sour		milk			nom souring «process intransitive»: of=agent

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

The milk absorbs acid from the atmosphere

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 milk	det
2	milk	milk	NOUN	Number=Sing	3 absorbs	nsubj
3	absorbs	absorb	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	acid	acid	NOUN	Number=Sing	3 absorbs	obj
5	from	from	ADP	_	7 atmosphere	case
6	the	the	DET	Definite=Def PronType=Art	7 atmosphere	det
7	atmosphere	atmosphere	NOUN	Number=Sing	3 absorbs	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	absorb	present	the milk	acid		the atmosphere			vn absorb-39.8 «NP V NP PP.source»: agent=Goal acid=Theme from atmosphere=Source

Option 2

Oxygen converts the milk into butter

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Oxygen	oxygen	NOUN	Number=Sing	2 converts	nsubj
2	converts	convert	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	the	the	DET	Definite=Def PronType=Art	4 milk	det
4	milk	milk	NOUN	Number=Sing	2 converts	obj
5	into	into	ADP	_	6 butter	case
6	butter	butter	NOUN	Number=Sing	2 converts	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	convert	present	Oxygen	the milk				into butter result	vn turn-26.6.1-1 «NP V NP.patient PP.result»: agent=Agent milk=Patient into butter=Result

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

Bacteria convert the milk sugar into acid

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Bacteria	bacterium	NOUN	Number=Plur	2 convert	nsubj
2	convert	convert	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
3	the	the	DET	Definite=Def PronType=Art	5 sugar	det
4	milk	milk	NOUN	Number=Sing	5 sugar	compound
5	sugar	sugar	NOUN	Number=Sing	2 convert	obj
6	into	into	ADP	_	7 acid	case
7	acid	acid	NOUN	Number=Sing	2 convert	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	convert	present	Bacteria	the milk sugar				into acid result	vn turn-26.6.1-1 «NP V NP.patient PP.result»: agent=Agent sugar=Patient into acid=Result

Option 4

Light converts the milk into lemon juice

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Light	light	NOUN	Number=Sing	2 converts	nsubj
2	converts	convert	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	the	the	DET	Definite=Def PronType=Art	4 milk	det
4	milk	milk	NOUN	Number=Sing	2 converts	obj
5	into	into	ADP	_	7 juice	case
6	lemon	lemon	NOUN	Number=Sing	7 juice	compound
7	juice	juice	NOUN	Number=Sing	2 converts	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	convert	present	Light	the milk				into lemon juice result	vn turn-26.6.1-1 «NP V NP.patient PP.result»: agent=Agent milk=Patient into juice=Result

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/22-milk-cheese-and-yoghurt/e1/