---
title: A cartoon shows rescuers cleaning an oily seabird with plain cold wa… — Oil and water, and things that won't mix · tree and pragmatics
description: A cartoon shows rescuers cleaning an oily seabird with plain cold water. What should they use instead? Test 4 · ★ of lesson 7 «Oil and water, and things that won't mix» of the chemistry course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova'
---

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# Test 4 · ★ · Oil and water, and things that won't mix

<!-- .ven lang=en -->
A cartoon shows rescuers cleaning an oily seabird with plain cold water. What should they use instead?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** cartoon, rescuers · **What happens:** show, clean, use · **To what, where:** rescuers, oily seabird

<!-- .vabout -->
This is test 4 · ★ of lesson 7 «Oil and water, and things that won't mix» 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/7-oil-and-water/#t4).

## The question {#question}

<!-- .note -->
*Sentence 1:* A cartoon shows rescuers cleaning an oily seabird with plain cold water.

```conllu
# sent_id = question:chemistry:7-oil-and-water:t4:1
# text = A cartoon shows rescuers cleaning an oily seabird with plain cold water.
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	rescuers	rescuer	NOUN	NNS	Number=Plur	3	obj	_	_
5	cleaning	clean	VERB	VBG	VerbForm=Ger	4	acl	_	_
6	an	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
7	oily	oily	ADJ	JJ	Degree=Pos	8	amod	_	_
8	seabird	seabird	NOUN	NN	Number=Sing	5	obj	_	_
9	with	with	ADP	IN	_	12	case	_	_
10	plain	plain	ADJ	JJ	Degree=Pos	12	amod	_	_
11	cold	cold	ADJ	JJ	Degree=Pos	12	amod	_	_
12	water	water	NOUN	NN	Number=Sing	5	obl	_	SpaceAfter=No
13	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **show** | present | a cartoon | rescuers |  |  |  |  | vn transfer\_mesg-37.1.1-1-1 «NP V NP.recipient»: agent=Agent rescuer=Recipient |
| 2 | **clean** | gerund | rescuers *not said here* | a oily seabird |  |  |  | with plain cold water | vn other\_cos-45.4 «NP V NP PP.instrument»: agent=Agent seabird=Patient with water=Instrument |

<!-- .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 should they use instead?

```conllu
# sent_id = question:chemistry:7-oil-and-water:t4:2
# text = What should they use instead?
1	What	what	PRON	WP	PronType=Int	4	obj	_	_
2	should	should	AUX	MD	VerbForm=Fin	4	aux	_	_
3	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	4	nsubj	_	_
4	use	use	VERB	VB	VerbForm=Inf	0	root	_	_
5	instead	instead	ADV	RB	_	4	advmod	_	SpaceAfter=No
6	?	?	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **use** | should | rescuers *= rescuer* |  |  |  |  | instead *property* | vn eat-39.1 «NP V NP»: agent=Agent what=Patient |

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
Nothing, oil falls off by itself

```conllu
# sent_id = question:chemistry:7-oil-and-water:t4:o1:1
# text = Nothing, oil falls off by itself
1	Nothing	nothing	PRON	NN	Number=Sing|PronType=Neg	3	compound	_	SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	_	_
3	oil	oil	NOUN	NN	Number=Sing	4	nsubj	_	_
4	falls	fall	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	off	off	ADP	RP	_	4	compound:prt	_	_
6	by	by	ADP	IN	_	7	case	_	_
7	itself	itself	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs|Reflex=Yes	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **fall off** | present | Nothing oil |  |  |  |  | by oil | vn calibratable\_cos-45.6.1-1 «NP.attribute V»: agent=Attribute |

### Option 2 {#o2}

<!-- .ven lang=en -->
Sand, which scrubs the oil away

```conllu
# sent_id = question:chemistry:7-oil-and-water:t4:o2:1
# text = Sand, which scrubs the oil away
1	Sand	sand	NOUN	NN	Number=Sing	4	nsubj	_	SpaceAfter=No
2	,	,	PUNCT	,	_	4	punct	_	_
3	which	which	PRON	WDT	PronType=Rel	4	nsubj	_	_
4	scrubs	scrub	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	oil	oil	NOUN	NN	Number=Sing	4	obj	_	_
7	away	away	ADV	RB	_	4	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **scrub away** | present | Sand | the oil |  |  |  | away *property* | vn wipe\_manner-10.4.1-1 «NP V NP.theme»: agent=Agent oil=Theme |

### Option 3 · ✓ the right answer {#o3}

<!-- .ven lang=en -->
Washing-up liquid, which lifts the oil off

```conllu
# sent_id = question:chemistry:7-oil-and-water:t4:o3:1
# text = Washing-up liquid, which lifts the oil off
1	Washing	washing	NOUN	NN	Number=Sing	4	compound	_	SpaceAfter=No
2	-	-	PUNCT	HYPH	_	3	punct	_	SpaceAfter=No
3	up	up	NOUN	NN	Number=Sing	1	compound	_	_
4	liquid	liquid	NOUN	NN	Number=Sing	7	nsubj	_	SpaceAfter=No
5	,	,	PUNCT	,	_	7	punct	_	_
6	which	which	PRON	WDT	PronType=Rel	7	nsubj	_	_
7	lifts	lift	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	oil	oil	NOUN	NN	Number=Sing	7	obj	_	_
10	off	off	ADP	RP	_	7	compound:prt	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **lift off** | present | Washing liquid | the oil |  |  |  |  | vn put\_direction-9.4 «NP V NP»: agent=Agent oil=Theme |

### Option 4 {#o4}

<!-- .ven lang=en -->
Vinegar, which dissolves the oil but also the feathers

```conllu
# sent_id = question:chemistry:7-oil-and-water:t4:o4:1
# text = Vinegar, which dissolves the oil but also the feathers
1	Vinegar	vinegar	NOUN	NN	Number=Sing	4	nsubj	_	SpaceAfter=No
2	,	,	PUNCT	,	_	4	punct	_	_
3	which	which	PRON	WDT	PronType=Rel	4	nsubj	_	_
4	dissolves	dissolve	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	oil	oil	NOUN	NN	Number=Sing	4	obj	_	_
7	but	but	CCONJ	CC	_	10	cc	_	_
8	also	also	ADV	RB	_	10	advmod	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	feathers	feather	NOUN	NNS	Number=Plur	6	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **dissolve** | present | Vinegar | the oil but the feathers |  |  |  |  | vn break-45.1 «NP V NP»: agent=Agent oil=Patient |

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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: [Oil and water, and things that won't mix, test 3](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/7-oil-and-water/t3/)
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