---
title: Why does the middle of a loaf stay soft when the crust gets crunchy? — Bread rising: yeast at work · tree and pragmatics
description: Why does the middle of a loaf stay soft when the crust gets crunchy? Test 10 of lesson 21 «Bread rising: yeast at work» of the chemistry course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was right.
---

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# Test 10 · Bread rising: yeast at work

<!-- .ven lang=en -->
Why does the middle of a loaf stay soft when the crust gets crunchy?

<!-- .vintro -->
**Mova's choice:** option 4 · **The right answer:** option 4 · right ✓ · **Who acts:** crust · **What happens:** do, stay, get · **To what, where:** middle

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This is test 10 of lesson 21 «Bread rising: yeast at work» of the chemistry 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/chemistry/21-bread-rising-yeast-at-work/#t10).

## The question {#question}

```conllu
# sent_id = question:chemistry:21-bread-rising-yeast-at-work:t10:1
# text = Why does the middle of a loaf stay soft when the crust gets crunchy?
1	Why	why	ADV	WRB	PronType=Int	2	advmod	_	_
2	does	do	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	advcl	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	middle	middle	NOUN	NN	Number=Sing	2	obj	_	_
5	of	of	ADP	IN	_	7	case	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
7	loaf	loaf	NOUN	NN	Number=Sing	4	nmod	_	_
8	stay	stay	VERB	VBP	Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin	0	root	_	_
9	soft	soft	ADJ	JJ	Degree=Pos	8	xcomp	_	_
10	when	when	ADV	WRB	PronType=Int	13	advmod	_	_
11	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
12	crust	crust	NOUN	NN	Number=Sing	13	nsubj	_	_
13	gets	get	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	advcl	_	_
14	crunchy	crunchy	ADJ	JJ	Degree=Pos	13	xcomp	_	SpaceAfter=No
15	?	?	PUNCT	.	_	8	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **do** | present |  | the middle of a loaf |  |  |  |  | vn act-114-1 «NP V NP»: agent=Agent middle=Eventuality |
| 2 | **stay** | present |  |  |  |  |  | soft *property* | vn exist-47.1 «NP V»: agent=Theme |
| 3 | **get** | present | the crust |  |  |  |  | crunchy *property* | vn comprehend-87.2-1 «NP V S\_ING»: agent=Experiencer |

<!-- .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 {#o1}

<!-- .ven lang=en -->
Gluten stops all heat getting in

```conllu
# sent_id = question:chemistry:21-bread-rising-yeast-at-work:t10:o1:1
# text = Gluten stops all heat getting in
1	Gluten	gluten	NOUN	NN	Number=Sing	2	nsubj	_	_
2	stops	stop	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	all	all	DET	DT	PronType=Tot	4	det	_	_
4	heat	heat	NOUN	NN	Number=Sing	2	obj	_	_
5	getting	get	VERB	VBG	VerbForm=Ger	4	acl	_	_
6	in	in	ADV	RB	_	5	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **stop** | present | Gluten | all heat |  |  |  |  | vn stop-55.4-1-1 «NP V NP.eventuality»: agent=Subeventuality heat=Eventuality |
| 2 | **get in** | gerund | all heat *not said here* |  |  |  |  |  | vn comprehend-87.2-1 «NP V S\_ING»: agent=Experiencer |

### Option 2 {#o2}

<!-- .ven lang=en -->
The middle is made of cake

```conllu
# sent_id = question:chemistry:21-bread-rising-yeast-at-work:t10:o2:1
# text = The middle is made of cake
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	middle	middle	NOUN	NN	Number=Sing	4	nsubj:pass	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux:pass	_	_
4	made	make	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	of	of	ADP	IN	_	6	case	_	_
6	cake	cake	NOUN	NN	Number=Sing	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present · passive |  | the middle |  |  |  | of cake | vn build-26.1-1 «NP.asset V NP»: subject=Product |

### Option 3 {#o3}

<!-- .ven lang=en -->
The oven heat stops at the crust

```conllu
# sent_id = question:chemistry:21-bread-rising-yeast-at-work:t10:o3:1
# text = The oven heat stops at the crust
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	oven	oven	NOUN	NN	Number=Sing	3	compound	_	_
3	heat	heat	NOUN	NN	Number=Sing	4	nsubj	_	_
4	stops	stop	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	at	at	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	crust	crust	NOUN	NN	Number=Sing	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **stop** | present | the oven heat |  |  | the crust |  |  | vn lodge-46 «NP V PP.location»: agent=Theme at crust=Location |

### Option 4 · ← Mova's choice · ✓ the right answer {#o4}

<!-- .ven lang=en -->
Its water keeps it below 100 °C

```conllu
# sent_id = question:chemistry:21-bread-rising-yeast-at-work:t10:o4:1
# text = Its water keeps it below 100 °C
1	Its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	2	nmod:poss	_	_
2	water	water	NOUN	NN	Number=Sing	3	nsubj	_	_
3	keeps	keep	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	obj	_	_
5	below	below	ADV	RB	_	6	advmod	_	_
6	100	100	NUM	CD	NumForm=Digit|NumType=Card	8	nummod	_	_
7	°	°	SYM	SYM	_	8	compound	_	SpaceAfter=No
8	C	c	NOUN	NN	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **keep** | present | Its water | it |  |  |  | 100 ° C *obl* | vn keep-15.2 «NP V NP»: agent=Agent it=Theme |

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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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