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Exam question 3 · Unit prices and sales that are not really sales

It is given that four containers of two hundred and fifty millilitres are priced at fifty pence each, and a single container of one litre at one pound sixty pence. Ascertain the saving per litre afforded by the larger container.

Mova's choice: option 1 · The right answer: option 2 · wrong ✗ · Who acts: you · What happens: give, price, ascertain, afford · To what, where: It, one pound, four containers, fifty, saving

This is exam question 3 of lesson 13 «Unit prices and sales that are not really sales» of the money 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 four containers of two hundred and fifty millilitres are priced at fifty pence each, and a single container of one litre at one pound sixty pence.

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	_	14 priced	mark
5	four	four	NUM	NumForm=Word NumType=Card	6 containers	nummod
6	containers	container	NOUN	Number=Plur	14 priced	nsubj:pass
7	of	of	ADP	_	12 millilitres	case
8	two	two	NUM	NumForm=Word NumType=Card	9 hundred	compound
9	hundred	hundred	NUM	NumForm=Word NumType=Card	12 millilitres	nummod
10	and	and	CCONJ	_	11 fifty	cc
11	fifty	fifty	NUM	NumForm=Word NumType=Card	9 hundred	conj
12	millilitres	millilitre	NOUN	Number=Plur	6 containers	nmod
13	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	14 priced	aux:pass
14	priced	price	VERB	Tense=Past VerbForm=Part Voice=Pass	3 given	advcl
15	at	at	ADP	_	16 fifty	case
16	fifty	fifty	NUM	NumForm=Word NumType=Card	14 priced	obl
17	pence	pence	ADP	_	18 each	case
18	each	each	DET	PronType=Tot	14 priced	obl
19	,	,	PUNCT	_	23 container	punct
20	and	and	CCONJ	_	23 container	cc
21	a	a	DET	Definite=Ind PronType=Art	23 container	det
22	single	single	ADJ	Degree=Pos	23 container	amod
23	container	container	NOUN	Number=Sing	3 given	parataxis
24	of	of	ADP	_	26 litre	case
25	one	one	NUM	NumForm=Word NumType=Card	26 litre	nummod
26	litre	litre	NOUN	Number=Sing	23 container	nmod
27	at	at	ADP	_	29 pound	case
28	one	one	NUM	NumForm=Word NumType=Card	29 pound	nummod
29	pound	pound	NOUN	Number=Sing	3 given	obl
30	sixty	sixty	NUM	NumForm=Word NumType=Card	31 pence	nummod
31	pence	pence	NOUN	Number=Plur	3 given	obj
32	.	.	PUNCT	_	3 given	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	give	present · passive		It		one pound			vn give-13.1-1 «NP V NP NP PP.asset»: subject=Recipient pence=Theme at pound=Asset
2	price	present · passive		four containers of hundred millilitres		fifty		pence each	vn price-54.4 «NP V NP PP.value»: subject=Theme at fifty=Value

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 saving per litre afforded by the larger container.

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	3 saving	det
3	saving	saving	NOUN	Number=Sing	1 Ascertain	obj
4	per	per	ADP	_	5 litre	case
5	litre	litre	NOUN	Number=Sing	3 saving	nmod
6	afforded	afford	VERB	Tense=Past VerbForm=Part Voice=Pass	3 saving	acl
7	by	by	ADP	_	10 container	case
8	the	the	DET	Definite=Def PronType=Art	10 container	det
9	larger	large	ADJ	Degree=Cmp	10 container	amod
10	container	container	NOUN	Number=Sing	6 afforded	obl
11	.	.	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 saving				per litre	vn discover-84 «NP V NP»: agent=Agent saving=Topic
2	afford	participle		the saving not said here				by the larger container	tree rules

The options

Option 1 · ← Mova's choice

Sixty pence

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Sixty	sixty	NUM	NumForm=Word NumType=Card	2 pence	nummod
2	pence	pence	NOUN	Number=Plur	root	root

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

Option 2 · ✓ the right answer

Forty pence

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Forty	forty	NUM	NumForm=Word NumType=Card	2 pence	nummod
2	pence	pence	NOUN	Number=Plur	root	root

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

Option 3

Fifty pence

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Fifty	fifty	NUM	NumForm=Word NumType=Card	2 pence	nummod
2	pence	pence	NOUN	Number=Plur	root	root

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

Option 4

Twenty pence

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Twenty	twenty	NUM	NumForm=Word NumType=Card	2 pence	nummod
2	pence	pence	NOUN	Number=Plur	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/money/13-unit-prices-and-sales-that-are-not-really-sales/e3/