---
title: "can't I just scrape off the burnt bits and get my bread back?" Best… — Changes you can undo and changes you c… · tree and pragmatics
description: "can't I just scrape off the burnt bits and get my bread back?" Best answer? Test 7 · ★ of lesson 9 «Changes you can undo and changes you can't» 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 7 · ★ · Changes you can undo and changes you can't

<!-- .ven lang=en -->
"can't I just scrape off the burnt bits and get my bread back?" Best answer?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** I · **What happens:** not scrape off, get back · **To what, where:** burnt bits, bread

<!-- .vabout -->
This is test 7 · ★ of lesson 9 «Changes you can undo and changes you can't» 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/9-changes-you-can-and-cannot-undo/#t7).

## The question {#question}

<!-- .note -->
*Sentence 1:* "can't I just scrape off the burnt bits and get my bread back?"

```conllu
# sent_id = question:chemistry:9-changes-you-can-and-cannot-undo:t7:1
# text = "can't I just scrape off the burnt bits and get my bread back?"
1	"	"	PUNCT	``	_	6	punct	_	SpaceAfter=No
2	ca	can	AUX	MD	VerbForm=Fin	6	aux	_	SpaceAfter=No
3	n't	not	PART	RB	Polarity=Neg	6	advmod	_	_
4	I	I	PRON	PRP	Case=Nom|Number=Sing|Person=1|PronType=Prs	6	nsubj	_	_
5	just	just	ADV	RB	_	6	advmod	_	_
6	scrape	scrape	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
7	off	off	ADP	IN	_	10	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
9	burnt	burnt	ADJ	JJ	Degree=Pos	10	amod	_	_
10	bits	bit	NOUN	NNS	Number=Plur	6	obl	_	_
11	and	and	CCONJ	CC	_	12	cc	_	_
12	get	get	VERB	VB	VerbForm=Inf	6	conj	_	_
13	my	my	PRON	PRP$	Case=Gen|Number=Sing|Person=1|Poss=Yes|PronType=Prs	14	nmod:poss	_	_
14	bread	bread	NOUN	NN	Number=Sing	12	obj	_	_
15	back	back	ADV	RB	_	12	advmod	_	SpaceAfter=No
16	?	?	PUNCT	.	_	6	punct	_	SpaceAfter=No
17	"	"	PUNCT	''	_	6	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **scrape off** *in a quote* | can | I | the burnt bits |  |  |  |  | vn cut-21.1-1 «NP V NP»: agent=Agent bit=Patient |
| 2 | **get back** *in a quote* | infinitive | I *not said here* | my bread |  |  |  |  | vn comprehend-87.2-1 «NP V NP»: agent=Experiencer bread=Stimulus |

<!-- .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.

<!-- .note -->
*Sentence 2:* Best answer?

```conllu
# sent_id = question:chemistry:9-changes-you-can-and-cannot-undo:t7:2
# text = Best answer?
1	Best	good	ADJ	JJS	Degree=Sup	2	amod	_	_
2	answer	answer	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
3	?	?	PUNCT	.	_	2	punct	_	_
```

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

## The options {#options}

### Option 1 · ← Mova's choice · ✓ the right answer {#o1}

<!-- .ven lang=en -->
The toasted layer is new substances, the bread can't come back

```conllu
# sent_id = question:chemistry:9-changes-you-can-and-cannot-undo:t7:o1:1
# text = The toasted layer is new substances, the bread can't come back
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	toasted	toast	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	amod	_	_
3	layer	layer	NOUN	NN	Number=Sing	6	nsubj	_	_
4	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
5	new	new	ADJ	JJ	Degree=Pos	6	amod	_	_
6	substances	substance	NOUN	NNS	Number=Plur	0	root	_	SpaceAfter=No
7	,	,	PUNCT	,	_	6	punct	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	bread	bread	NOUN	NN	Number=Sing	12	nsubj	_	_
10	ca	can	AUX	MD	VerbForm=Fin	12	aux	_	SpaceAfter=No
11	n't	not	PART	RB	Polarity=Neg	12	advmod	_	_
12	come	come	VERB	VB	VerbForm=Inf	6	parataxis	_	_
13	back	back	ADV	RB	_	12	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **toast** | participle |  |  |  |  |  |  | vn cooking-45.3 «NP.patient V»: agent=Patient |
| 2 | **is a** | present | the toasted layer | new substances |  |  |  |  | tree rules |
| 3 | **not** **come back** | can | the bread |  |  |  |  |  | vn escape-51.1-1 «NP V»: agent=Theme |

### Option 2 {#o2}

<!-- .ven lang=en -->
Yes, scraping off the brown layer turns it straight back into soft bread

```conllu
# sent_id = question:chemistry:9-changes-you-can-and-cannot-undo:t7:o2:1
# text = Yes, scraping off the brown layer turns it straight back into soft bread
1	Yes	yes	INTJ	UH	Polarity=Pos	3	discourse	_	SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	_	_
3	scraping	scrape	VERB	VBG	VerbForm=Ger	8	csubj	_	_
4	off	off	ADP	IN	_	7	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
6	brown	brown	ADJ	JJ	Degree=Pos	7	amod	_	_
7	layer	layer	NOUN	NN	Number=Sing	3	obl	_	_
8	turns	turn	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
9	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	8	obj	_	_
10	straight	straight	ADV	RB	_	11	advmod	_	_
11	back	back	ADV	RB	_	8	advmod	_	_
12	into	into	ADP	IN	_	14	case	_	_
13	soft	soft	ADJ	JJ	Degree=Pos	14	amod	_	_
14	bread	bread	NOUN	NN	Number=Sing	8	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **scrape off** | gerund |  | the brown layer |  |  |  |  | vn cut-21.1-1 «NP V NP»: agent=Agent layer=Patient |
| 2 | **turn** | present | scraping | layer |  | soft bread |  |  | vn roll-51.3.1 «NP V NP PP.trajectory»: agent=Agent it=Theme into bread=Trajectory |

### Option 3 {#o3}

<!-- .ven lang=en -->
Yes, if you add water

```conllu
# sent_id = question:chemistry:9-changes-you-can-and-cannot-undo:t7:o3:1
# text = Yes, if you add water
1	Yes	yes	INTJ	UH	Polarity=Pos	5	discourse	_	SpaceAfter=No
2	,	,	PUNCT	,	_	5	punct	_	_
3	if	if	SCONJ	IN	_	5	mark	_	_
4	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	5	nsubj	_	_
5	add	add	VERB	VBP	Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin	0	root	_	_
6	water	water	NOUN	NN	Number=Sing	5	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **add** *speech: assert* | present | you | water |  |  |  |  | vn mix-22.1-2 «NP V NP»: agent=Agent water=Patient |

### Option 4 {#o4}

<!-- .ven lang=en -->
Only for white bread

```conllu
# sent_id = question:chemistry:9-changes-you-can-and-cannot-undo:t7:o4:1
# text = Only for white bread
1	Only	only	ADV	RB	_	4	advmod	_	_
2	for	for	ADP	IN	_	4	case	_	_
3	white	white	ADJ	JJ	Degree=Pos	4	amod	_	_
4	bread	bread	NOUN	NN	Number=Sing	0	root	_	_
```

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

<!-- div src -->

**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.

<!-- /div -->

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