---
title: Ascertain the price, after a period of four months, of an article in… — Inflation explained with a chocolate bar · tree and pragmatics
description: Ascertain the price, after a period of four months, of an article initially priced at £1, its price doubling at the conclusion of each month. Exam question 2 of lesson 34 «Inflation explained with a chocolate bar» of the money course of Mova's primary school, with the dependency tree and pragmatics 
---

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# Exam question 2 · Inflation explained with a chocolate bar

<!-- .ven lang=en -->
Ascertain the price, after a period of four months, of an article initially priced at £1, its price doubling at the conclusion of each month.

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**Mova's choice:** option 1 · **The right answer:** option 4 · wrong ✗ · **Who acts:** you, price · **What happens:** ascertain, price, double, conclude · **To what, where:** price, article, conclusion, month

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This is exam question 2 of lesson 34 «Inflation explained with a chocolate bar» 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](https://md.mova.elamur.ai/free/en/school-run/money/34-inflation-explained-with-a-chocolate-bar/#e2).

## The question {#question}

```conllu
# sent_id = question:money:34-inflation-explained-with-a-chocolate-bar:e2:1
# text = Ascertain the price, after a period of four months, of an article initially priced at £1, its price doubling at the conclusion of each month.
1	Ascertain	ascertain	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	price	price	NOUN	NN	Number=Sing	1	obj	_	SpaceAfter=No
4	,	,	PUNCT	,	_	7	punct	_	_
5	after	after	ADP	IN	_	7	case	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
7	period	period	NOUN	NN	Number=Sing	1	obl	_	_
8	of	of	ADP	IN	_	10	case	_	_
9	four	four	NUM	CD	NumForm=Word|NumType=Card	10	nummod	_	_
10	months	month	NOUN	NNS	Number=Plur	7	nmod	_	SpaceAfter=No
11	,	,	PUNCT	,	_	14	punct	_	_
12	of	of	ADP	IN	_	14	case	_	_
13	an	a	DET	DT	Definite=Ind|PronType=Art	14	det	_	_
14	article	article	NOUN	NN	Number=Sing	1	parataxis	_	_
15	initially	initially	ADV	RB	_	16	advmod	_	_
16	priced	price	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	14	acl	_	_
17	at	at	ADP	IN	_	18	case	_	_
18	£	£	SYM	$	_	14	nmod	_	SpaceAfter=No
19	1	1	NUM	CD	NumForm=Digit|NumType=Card	18	nummod	_	SpaceAfter=No
20	,	,	PUNCT	,	_	22	punct	_	_
21	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	22	nmod:poss	_	_
22	price	price	NOUN	NN	Number=Sing	14	conj	_	_
23	doubling	double	VERB	VBG	VerbForm=Ger	22	acl	_	_
24	at	at	ADP	IN	_	26	case	_	_
25	the	the	DET	DT	Definite=Def|PronType=Art	26	det	_	_
26	conclusion	conclusion	NOUN	NN	Number=Sing	23	obl	_	_
27	of	of	ADP	IN	_	29	case	_	_
28	each	each	DET	DT	PronType=Tot	29	det	_	_
29	month	month	NOUN	NN	Number=Sing	26	nmod	_	SpaceAfter=No
30	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **ascertain** | imperative | you *not said here* | the price |  |  | after a period of four months |  | vn discover-84 «NP V NP»: agent=Agent price=Topic |
| 2 | **price** | participle |  | a article and period's price *not said here* |  |  |  | initially *property* | vn price-54.4 «NP V NP»: agent=Agent |
| 3 | **double** | gerund | period's price *not said here* |  |  | the conclusion of each month |  |  | vn other\_cos-45.4 «NP.patient V»: agent=Patient |
| 4 | **conclude** |  |  | each month |  |  |  |  | nom conclusion «cognition transitive»: of=patient |

<!-- .note -->
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 {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
£8

```conllu
# sent_id = question:money:34-inflation-explained-with-a-chocolate-bar:e2:o1:1
# text = £8
1	£	£	SYM	$	_	0	root	_	SpaceAfter=No
2	8	8	NUM	CD	NumForm=Digit|NumType=Card	1	nummod	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 2 {#o2}

<!-- .ven lang=en -->
£4

```conllu
# sent_id = question:money:34-inflation-explained-with-a-chocolate-bar:e2:o2:1
# text = £4
1	£	£	SYM	$	_	0	root	_	SpaceAfter=No
2	4	4	NUM	CD	NumForm=Digit|NumType=Card	1	nummod	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 3 {#o3}

<!-- .ven lang=en -->
£5

```conllu
# sent_id = question:money:34-inflation-explained-with-a-chocolate-bar:e2:o3:1
# text = £5
1	£	£	SYM	$	_	0	root	_	SpaceAfter=No
2	5	5	NUM	CD	NumForm=Digit|NumType=Card	1	nummod	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 4 · ✓ the right answer {#o4}

<!-- .ven lang=en -->
£16

```conllu
# sent_id = question:money:34-inflation-explained-with-a-chocolate-bar:e2:o4:1
# text = £16
1	£	£	SYM	$	_	0	root	_	SpaceAfter=No
2	16	16	NUM	CD	NumForm=Digit|NumType=Card	1	nummod	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

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**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.

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- ← previous: [Inflation explained with a chocolate bar, exam 1](https://md.mova.elamur.ai/free/en/corpora/questions/money/34-inflation-explained-with-a-chocolate-bar/e1/)
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