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Exam question 2 · Clever reasoning about water and matter

It is given that a lake freezes at its surface in winter. Ascertain the usual temperature of its deepest water.

Mova's choice: option 1 · The right answer: option 1 · right ✓ · Who acts: lake, you · What happens: give, freeze, ascertain · To what, where: It, surface, usual temperature

This is exam question 2 of lesson 20 «Clever reasoning about water and matter» of the world 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

Sentence 1: It is given that a lake freezes at its surface in winter.

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 given	nsubj:pass
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 given	aux:pass
3	given	give	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
4	that	that	SCONJ	_	7 freezes	mark
5	a	a	DET	Definite=Ind PronType=Art	6 lake	det
6	lake	lake	NOUN	Number=Sing	7 freezes	nsubj
7	freezes	freeze	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 given	advcl
8	at	at	ADP	_	10 surface	case
9	its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	10 surface	nmod:poss
10	surface	surface	NOUN	Number=Sing	7 freezes	obl
11	in	in	ADP	_	12 winter	case
12	winter	winter	NOUN	Number=Sing	7 freezes	obl
13	.	.	PUNCT	_	3 given	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	give	present · passive		It					vn give-13.1-1 «NP V NP»: subject=Theme
2	freeze	present	a lake			lake's surface	winter		vn other_cos-45.4-1 «NP.patient V»: agent=Patient

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: Ascertain the usual temperature of its deepest water.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Ascertain	ascertain	VERB	Mood=Imp VerbForm=Fin	root	root
2	the	the	DET	Definite=Def PronType=Art	4 temperature	det
3	usual	usual	ADJ	Degree=Pos	4 temperature	amod
4	temperature	temperature	NOUN	Number=Sing	1 Ascertain	obj
5	of	of	ADP	_	8 water	case
6	its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	8 water	nmod:poss
7	deepest	deep	ADJ	Degree=Sup	8 water	amod
8	water	water	NOUN	Number=Sing	4 temperature	nmod
9	.	.	PUNCT	_	1 Ascertain	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	ascertain	imperative	you not said here	the usual temperature of temperature's deepest water					vn discover-84 «NP V NP»: agent=Agent temperature=Topic

The options

Option 1 · ← Mova's choice · ✓ the right answer

Approximately four degrees Celsius

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Approximately	approximately	ADV	_	2 four	advmod
2	four	four	NUM	NumForm=Word NumType=Card	3 degrees	nummod
3	degrees	degree	NOUN	Number=Plur	root	root
4	Celsius	Celsius	PROPN	Number=Sing	3 degrees	nmod:unmarked

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

Option 2

Zero degrees Celsius, like the ice above

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Zero	zero	NUM	NumForm=Word NumType=Card	2 degrees	nummod
2	degrees	degree	NOUN	Number=Plur	root	root
3	Celsius	Celsius	PROPN	Number=Sing	2 degrees	nmod:unmarked
4	,	,	PUNCT	_	7 ice	punct
5	like	like	ADP	_	7 ice	case
6	the	the	DET	Definite=Def PronType=Art	7 ice	det
7	ice	ice	NOUN	Number=Sing	2 degrees	appos
8	above	above	ADV	_	7 ice	advmod

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

Option 3

Twenty degrees Celsius, as in summer

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Twenty	twenty	NUM	NumForm=Word NumType=Card	2 degrees	nummod
2	degrees	degree	NOUN	Number=Plur	root	root
3	Celsius	Celsius	PROPN	Number=Sing	2 degrees	nmod:unmarked
4	,	,	PUNCT	_	2 degrees	punct
5	as	as	ADP	_	7 summer	case
6	in	in	ADP	_	7 summer	case
7	summer	summer	NOUN	Number=Sing	2 degrees	nmod

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

Option 4

Minus ten degrees Celsius, or colder still

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Minus	minus	ADV	_	3 degrees	advmod
2	ten	ten	NUM	NumForm=Word NumType=Card	3 degrees	nummod
3	degrees	degree	NOUN	Number=Plur	root	root
4	Celsius	Celsius	PROPN	Number=Sing	3 degrees	nmod:unmarked
5	,	,	PUNCT	_	3 degrees	punct
6	or	or	CCONJ	_	7 colder	cc
7	colder	cold	ADJ	Degree=Cmp	3 degrees	conj
8	still	still	ADV	_	3 degrees	advmod

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/world/20-reasoning-water-and-matter/e2/