---
title: What would happen if prices doubled every month for 5 months, starti… — Inflation explained with a chocolate bar · tree and pragmatics
description: What would happen if prices doubled every month for 5 months, starting with a £1 loaf? Test 5 · ★★★ of lesson 34 «Inflation explained with a chocolate bar» of the money course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was righ
---

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# Test 5 · ★★★ · Inflation explained with a chocolate bar

<!-- .ven lang=en -->
What would happen if prices doubled every month for 5 months, starting with a £1 loaf?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** prices · **What happens:** happen, double, start

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This is test 5 · ★★★ of lesson 34 «Inflation explained with a chocolate bar» of the money course of Mova's primary school. 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/#t5).

## The question {#question}

```conllu
# sent_id = question:money:34-inflation-explained-with-a-chocolate-bar:t5:1
# text = What would happen if prices doubled every month for 5 months, starting with a £1 loaf?
1	What	what	PRON	WP	PronType=Int	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	happen	happen	VERB	VB	VerbForm=Inf	0	root	_	_
4	if	if	SCONJ	IN	_	6	mark	_	_
5	prices	price	NOUN	NNS	Number=Plur	6	nsubj	_	_
6	doubled	double	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	3	advcl	_	_
7	every	every	DET	DT	PronType=Tot	8	det	_	_
8	month	month	NOUN	NN	Number=Sing	6	obl:unmarked	_	_
9	for	for	ADP	IN	_	11	case	_	_
10	5	5	NUM	CD	NumForm=Digit|NumType=Card	11	nummod	_	_
11	months	month	NOUN	NNS	Number=Plur	6	obl	_	SpaceAfter=No
12	,	,	PUNCT	,	_	13	punct	_	_
13	starting	start	VERB	VBG	Tense=Pres|VerbForm=Part	3	advcl	_	_
14	with	with	ADP	IN	_	18	case	_	_
15	a	a	DET	DT	Definite=Ind|PronType=Art	18	det	_	_
16	£	£	SYM	$	_	18	compound	_	SpaceAfter=No
17	1	1	NUM	CD	NumForm=Digit|NumType=Card	16	nummod	_	_
18	loaf	loaf	NOUN	NN	Number=Sing	13	obl	_	SpaceAfter=No
19	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **happen** | would |  |  |  |  |  |  | vn occur-48.3-1 «NP V»: agent=Theme |
| 2 | **double** *a condition, not said to happen* | past | prices |  |  |  | month |  | vn other\_cos-45.4 «NP.patient V»: agent=Patient |
| 3 | **start** | gerund |  |  |  |  |  | with a £ loaf | vn begin-55.1-1-1 «NP V PP.subeventuality»: agent=Eventuality with loaf=Subeventuality |

<!-- .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 · ✓ the right answer {#o1}

<!-- .ven lang=en -->
The loaf would cost £32

```conllu
# sent_id = question:money:34-inflation-explained-with-a-chocolate-bar:t5:o1:1
# text = The loaf would cost £32
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	loaf	loaf	NOUN	NN	Number=Sing	4	nsubj	_	_
3	would	would	AUX	MD	VerbForm=Fin	4	aux	_	_
4	cost	cost	VERB	VB	VerbForm=Inf	0	root	_	_
5	£	£	SYM	$	_	4	obj	_	SpaceAfter=No
6	32	32	NUM	CD	NumForm=Digit|NumType=Card	5	nummod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **cost** | would | the loaf |  |  |  |  |  | vn cost-54.2 «NP V NP.value»: agent=Theme £=Value |

### Option 2 {#o2}

<!-- .ven lang=en -->
The loaf would cost £5

```conllu
# sent_id = question:money:34-inflation-explained-with-a-chocolate-bar:t5:o2:1
# text = The loaf would cost £5
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	loaf	loaf	NOUN	NN	Number=Sing	4	nsubj	_	_
3	would	would	AUX	MD	VerbForm=Fin	4	aux	_	_
4	cost	cost	VERB	VB	VerbForm=Inf	0	root	_	_
5	£	£	SYM	$	_	4	obj	_	SpaceAfter=No
6	5	5	NUM	CD	NumForm=Digit|NumType=Card	5	nummod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **cost** | would | the loaf |  |  |  |  |  | vn cost-54.2 «NP V NP.value»: agent=Theme £=Value |

### Option 3 {#o3}

<!-- .ven lang=en -->
The loaf would cost £16

```conllu
# sent_id = question:money:34-inflation-explained-with-a-chocolate-bar:t5:o3:1
# text = The loaf would cost £16
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	loaf	loaf	NOUN	NN	Number=Sing	4	nsubj	_	_
3	would	would	AUX	MD	VerbForm=Fin	4	aux	_	_
4	cost	cost	VERB	VB	VerbForm=Inf	0	root	_	_
5	£	£	SYM	$	_	4	obj	_	SpaceAfter=No
6	16	16	NUM	CD	NumForm=Digit|NumType=Card	5	nummod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **cost** | would | the loaf |  |  |  |  |  | vn cost-54.2 «NP V NP.value»: agent=Theme £=Value |

### Option 4 {#o4}

<!-- .ven lang=en -->
The loaf would cost £10

```conllu
# sent_id = question:money:34-inflation-explained-with-a-chocolate-bar:t5:o4:1
# text = The loaf would cost £10
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	loaf	loaf	NOUN	NN	Number=Sing	4	nsubj	_	_
3	would	would	AUX	MD	VerbForm=Fin	4	aux	_	_
4	cost	cost	VERB	VB	VerbForm=Inf	0	root	_	_
5	£	£	SYM	$	_	4	obj	_	SpaceAfter=No
6	10	10	NUM	CD	NumForm=Digit|NumType=Card	5	nummod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **cost** | would | the loaf |  |  |  |  |  | vn cost-54.2 «NP V NP.value»: agent=Theme £=Value |

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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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