---
title: Grandma's new town makes grey scum in the bath and crusty kettles. W… — Soap and why washing works · tree and pragmatics
description: Grandma's new town makes grey scum in the bath and crusty kettles. What's going on? Test 8 · ★★ 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 8 · ★★ · Soap and why washing works

<!-- .ven lang=en -->
Grandma's new town makes grey scum in the bath and crusty kettles. What's going on?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** new town · **What happens:** make, go on · **To what, where:** grey scum, bath

<!-- .vabout -->
This is test 8 · ★★ 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/#t8).

## The question {#question}

<!-- .note -->
*Sentence 1:* Grandma's new town makes grey scum in the bath and crusty kettles.

```conllu
# sent_id = question:chemistry:24-soap-and-why-washing-works:t8:1
# text = Grandma's new town makes grey scum in the bath and crusty kettles.
1	Grandma	grandma	NOUN	NN	Number=Sing	4	nmod:poss	_	SpaceAfter=No
2	's	's	PART	POS	_	1	case	_	_
3	new	new	ADJ	JJ	Degree=Pos	4	amod	_	_
4	town	town	NOUN	NN	Number=Sing	5	nsubj	_	_
5	makes	make	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	grey	grey	ADJ	JJ	Degree=Pos	7	amod	_	_
7	scum	scum	NOUN	NN	Number=Sing	5	obj	_	_
8	in	in	ADP	IN	_	10	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	bath	bath	NOUN	NN	Number=Sing	5	obl	_	_
11	and	and	CCONJ	CC	_	13	cc	_	_
12	crusty	crusty	ADJ	JJ	Degree=Pos	13	amod	_	_
13	kettles	kettle	NOUN	NNS	Number=Plur	10	conj	_	SpaceAfter=No
14	.	.	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present | Grandma's new town | grey scum |  | the bath and crusty kettles |  |  | vn build-26.1-1 «NP.asset V NP»: agent=Asset scum=Product |

<!-- .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's going on?

```conllu
# sent_id = question:chemistry:24-soap-and-why-washing-works:t8:2
# text = What's going on?
1	What	what	PRON	WP	PronType=Int	3	nsubj	_	SpaceAfter=No
2	's	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	aux	_	_
3	going	go	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
4	on	on	ADP	RP	_	3	compound:prt	_	SpaceAfter=No
5	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **go on** | present · progressive |  |  |  |  |  |  | vn function-105.2.1 «NP V»: agent=Theme |

## The options {#options}

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

<!-- .ven lang=en -->
The water is hard, full of minerals

```conllu
# sent_id = question:chemistry:24-soap-and-why-washing-works:t8:o1:1
# text = The water is hard, full of minerals
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	water	water	NOUN	NN	Number=Sing	4	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
4	hard	hard	ADJ	JJ	Degree=Pos	0	root	_	SpaceAfter=No
5	,	,	PUNCT	,	_	6	punct	_	_
6	full	full	ADJ	JJ	Degree=Pos	4	conj	_	_
7	of	of	ADP	IN	_	8	case	_	_
8	minerals	mineral	NOUN	NNS	Number=Plur	6	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | the water |  |  |  |  | hard *property* | tree rules |
| 2 | **be** |  | the water *not said here* |  |  |  |  | of minerals | tree rules |

### Option 2 {#o2}

<!-- .ven lang=en -->
The pipes are full of old soap from before

```conllu
# sent_id = question:chemistry:24-soap-and-why-washing-works:t8:o2:1
# text = The pipes are full of old soap from before
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	pipes	pipe	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
4	full	full	ADJ	JJ	Degree=Pos	0	root	_	_
5	of	of	ADP	IN	_	7	case	_	_
6	old	old	ADJ	JJ	Degree=Pos	7	amod	_	_
7	soap	soap	NOUN	NN	Number=Sing	4	obl	_	_
8	from	from	ADP	IN	_	9	case	_	_
9	before	before	ADV	RB	_	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | the pipes |  |  |  |  | of old soap; full *property* | tree rules |

### Option 3 {#o3}

<!-- .ven lang=en -->
The water is too soft

```conllu
# sent_id = question:chemistry:24-soap-and-why-washing-works:t8:o3:1
# text = The water is too soft
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	water	water	NOUN	NN	Number=Sing	5	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
4	too	too	ADV	RB	_	5	advmod	_	_
5	soft	soft	ADJ	JJ	Degree=Pos	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | the water |  |  |  |  | soft *property* | tree rules |

### Option 4 {#o4}

<!-- .ven lang=en -->
Someone put salt in the water tank

```conllu
# sent_id = question:chemistry:24-soap-and-why-washing-works:t8:o4:1
# text = Someone put salt in the water tank
1	Someone	someone	PRON	NN	Number=Sing|PronType=Ind	2	nsubj	_	_
2	put	put	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
3	salt	salt	NOUN	NN	Number=Sing	2	obj	_	_
4	in	in	ADP	IN	_	7	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
6	water	water	NOUN	NN	Number=Sing	7	compound	_	_
7	tank	tank	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **put** | past | Someone | salt |  | the water tank |  |  | vn put-9.1-2 «NP V NP PP.destination»: agent=Agent salt=Theme in tank=Destination |

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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.

<!-- /div -->

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- ← previous: [Soap and why washing works, test 7](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/24-soap-and-why-washing-works/t7/)
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