---
title: A cartoon shows a cube-shaped soap bubble floating across the sky. W… — Soap and why washing works · tree and pragmatics
description: A cartoon shows a cube-shaped soap bubble floating across the sky. What would a real bubble do? Test 4 · ★★ of lesson 24 «Soap and why washing works» 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 4 · ★★ · Soap and why washing works

<!-- .ven lang=en -->
A cartoon shows a cube-shaped soap bubble floating across the sky. What would a real bubble do?

<!-- .vintro -->
**Mova's choice:** option 2 · **The right answer:** option 2 · right ✓ · **Who acts:** cartoon, shaped soap bubble · **What happens:** show, shape, float · **To what, where:** shaped soap bubble, sky

<!-- .vabout -->
This is test 4 · ★★ of lesson 24 «Soap and why washing works» 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/24-soap-and-why-washing-works/#t4).

## The question {#question}

<!-- .note -->
*Sentence 1:* A cartoon shows a cube-shaped soap bubble floating across the sky.

```conllu
# sent_id = question:chemistry:24-soap-and-why-washing-works:t4:1
# text = A cartoon shows a cube-shaped soap bubble floating across the sky.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	cartoon	cartoon	NOUN	NN	Number=Sing	3	nsubj	_	_
3	shows	show	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
5	cube	cube	NOUN	NN	Number=Sing	7	compound	_	SpaceAfter=No
6	-	-	PUNCT	HYPH	_	5	punct	_	SpaceAfter=No
7	shaped	shape	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	9	amod	_	_
8	soap	soap	NOUN	NN	Number=Sing	9	compound	_	_
9	bubble	bubble	NOUN	NN	Number=Sing	3	obj	_	_
10	floating	float	VERB	VBG	VerbForm=Ger	9	acl	_	_
11	across	across	ADP	IN	_	13	case	_	_
12	the	the	DET	DT	Definite=Def|PronType=Art	13	det	_	_
13	sky	sky	NOUN	NN	Number=Sing	10	obl	_	SpaceAfter=No
14	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **show** | present | a cartoon | a shaped soap bubble |  |  |  |  | vn transfer\_mesg-37.1.1-1-1 «NP V NP.recipient»: agent=Agent bubble=Recipient |
| 2 | **shape** | participle |  |  |  |  |  |  | vn build-26.1-1 «NP.asset V NP»: agent=Asset |
| 3 | **float** | gerund | a shaped soap bubble *not said here* |  |  | the sky |  |  | vn run-51.3.2-2 «NP V PP.location»: agent=Theme across sky=Trajectory |

<!-- .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:* What would a real bubble do?

```conllu
# sent_id = question:chemistry:24-soap-and-why-washing-works:t4:2
# text = What would a real bubble do?
1	What	what	PRON	WP	PronType=Int	0	root	_	_
2	would	would	AUX	MD	VerbForm=Fin	1	aux	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
4	real	real	ADJ	JJ	Degree=Pos	6	amod	_	_
5	bubble	bubble	NOUN	NN	Number=Sing	6	compound	_	_
6	do	do	NOUN	NN	Number=Sing	1	nsubj	_	SpaceAfter=No
7	?	?	PUNCT	.	_	1	punct	_	_
```

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

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
Burst before it can form

```conllu
# sent_id = question:chemistry:24-soap-and-why-washing-works:t4:o1:1
# text = Burst before it can form
1	Burst	burst	NOUN	NN	Number=Sing	5	nsubj	_	_
2	before	before	ADP	IN	_	3	case	_	_
3	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	1	nmod	_	_
4	can	can	AUX	MD	VerbForm=Fin	5	aux	_	_
5	form	form	VERB	VB	VerbForm=Inf	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **form** | can | Burst before it |  |  |  |  |  | vn appear-48.1.1 «NP V»: agent=Theme |

### Option 2 · ← Mova's choice · ✓ the right answer {#o2}

<!-- .ven lang=en -->
Pull itself into a ball

```conllu
# sent_id = question:chemistry:24-soap-and-why-washing-works:t4:o2:1
# text = Pull itself into a ball
1	Pull	pull	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	itself	itself	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs|Reflex=Yes	1	obj	_	_
3	into	into	ADP	IN	_	5	case	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
5	ball	ball	NOUN	NN	Number=Sing	1	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **pull** | imperative | you *not said here* | itself *= it* |  | a ball |  |  | vn push-12-1 «NP V NP»: agent=Agent itself=Theme |

### Option 3 {#o3}

<!-- .ven lang=en -->
Turn into a triangle

```conllu
# sent_id = question:chemistry:24-soap-and-why-washing-works:t4:o3:1
# text = Turn into a triangle
1	Turn	turn	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	into	into	ADP	IN	_	4	case	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
4	triangle	triangle	NOUN	NN	Number=Sing	1	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **turn** | imperative | you *not said here* |  |  | a triangle |  |  | vn roll-51.3.1 «NP V PP.trajectory»: agent=Theme into triangle=Trajectory |

### Option 4 {#o4}

<!-- .ven lang=en -->
Keep its cube shape

```conllu
# sent_id = question:chemistry:24-soap-and-why-washing-works:t4:o4:1
# text = Keep its cube shape
1	Keep	keep	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	4	nmod:poss	_	_
3	cube	cube	NOUN	NN	Number=Sing	4	compound	_	_
4	shape	shape	NOUN	NN	Number=Sing	1	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **keep** | imperative | you *not said here* | its cube shape |  |  |  |  | vn keep-15.2 «NP V NP»: agent=Agent shape=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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- ← previous: [Soap and why washing works, test 3](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/24-soap-and-why-washing-works/t3/)
- next →: [Soap and why washing works, test 5](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/24-soap-and-why-washing-works/t5/)
- ↑ back to [Soap and why washing works](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/24-soap-and-why-washing-works/)