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Exam question 3 · Swaps and barter in the playground

It is given that a pen valued at three pounds is exchanged for a pencil valued at twenty pence. Ascertain the excess of value surrendered by the owner of the pen.

Mova's choice: option 1 · The right answer: option 3 · wrong ✗ · Who acts: you · What happens: give, value, exchange, ascertain, surrender · To what, where: It, pen, three pounds, pencil, twenty pence, excess

This is exam question 3 of lesson 4 «Swaps and barter in the playground» 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 a pen valued at three pounds is exchanged for a pencil valued at twenty 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	_	12 exchanged	mark
5	a	a	DET	Definite=Ind PronType=Art	6 pen	det
6	pen	pen	NOUN	Number=Sing	12 exchanged	nsubj:pass
7	valued	value	VERB	Tense=Past VerbForm=Part Voice=Pass	6 pen	acl
8	at	at	ADP	_	10 pounds	case
9	three	three	NUM	NumForm=Word NumType=Card	10 pounds	nummod
10	pounds	pound	NOUN	Number=Plur	7 valued	obl
11	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	12 exchanged	aux:pass
12	exchanged	exchange	VERB	Tense=Past VerbForm=Part Voice=Pass	3 given	advcl
13	for	for	ADP	_	15 pencil	case
14	a	a	DET	Definite=Ind PronType=Art	15 pencil	det
15	pencil	pencil	NOUN	Number=Sing	12 exchanged	obl
16	valued	value	VERB	Tense=Past VerbForm=Part Voice=Pass	15 pencil	acl
17	at	at	ADP	_	19 pence	case
18	twenty	twenty	NUM	NumForm=Word NumType=Card	19 pence	nummod
19	pence	pence	NOUN	Number=Plur	16 valued	obl
20	.	.	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	value	participle		a pen not said here		three pounds			vn price-54.4 «NP V NP PP.value»: agent=Agent at pound=Value
3	exchange	present · passive		a pen				for a pencil	vn exchange-13.6.1 «NP V NP PP.co-theme»: subject=Theme for pencil=Co-Theme
4	value	participle		a pencil not said here		twenty pence			vn price-54.4 «NP V NP PP.value»: agent=Agent at pence=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 excess of value surrendered by the owner of the pen.

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 excess	det
3	excess	excess	NOUN	Number=Sing	1 Ascertain	obj
4	of	of	ADP	_	5 value	case
5	value	value	NOUN	Number=Sing	3 excess	nmod
6	surrendered	surrender	VERB	Tense=Past VerbForm=Part Voice=Pass	3 excess	acl
7	by	by	ADP	_	9 owner	case
8	the	the	DET	Definite=Def PronType=Art	9 owner	det
9	owner	owner	NOUN	Number=Sing	6 surrendered	obl
10	of	of	ADP	_	12 pen	case
11	the	the	DET	Definite=Def PronType=Art	12 pen	det
12	pen	pen	NOUN	Number=Sing	9 owner	nmod
13	.	.	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 excess of value					vn discover-84 «NP V NP»: agent=Agent excess=Topic
2	surrender	participle		the excess of value not said here				by the owner of the pen	vn contribute-13.2-1-1 «NP V»: agent=Agent

The options

Option 1 · ← Mova's choice

One pound eighty pence

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	One	one	NUM	NumForm=Word NumType=Card	2 pound	nummod
2	pound	pound	NOUN	Number=Sing	4 pence	compound
3	eighty	eighty	NUM	NumForm=Word NumType=Card	2 pound	flat
4	pence	pence	NOUN	Number=Sing	root	root

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

Option 2

Three pounds twenty pence

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Three	three	NUM	NumForm=Word NumType=Card	2 pounds	nummod
2	pounds	pound	NOUN	Number=Plur	root	root
3	twenty	twenty	NUM	NumForm=Word NumType=Card	4 pence	nummod
4	pence	pence	NOUN	Number=Plur	2 pounds	conj

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

Option 3 · ✓ the right answer

Two pounds eighty pence

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Two	two	NUM	NumForm=Word NumType=Card	2 pounds	nummod
2	pounds	pound	NOUN	Number=Plur	root	root
3	eighty	eighty	NUM	NumForm=Word NumType=Card	4 pence	nummod
4	pence	pence	NOUN	Number=Plur	2 pounds	conj

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

Option 4

Two pounds twenty pence

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Two	two	NUM	NumForm=Word NumType=Card	2 pounds	nummod
2	pounds	pound	NOUN	Number=Plur	root	root
3	twenty	twenty	NUM	NumForm=Word NumType=Card	4 pence	nummod
4	pence	pence	NOUN	Number=Plur	2 pounds	conj

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/4-swaps-and-barter-in-the-playground/e3/