---
title: got iron filings mixed with sand, how to split em — Mixtures and how to separate them · tree and pragmatics
description: got iron filings mixed with sand, how to split em Test 11 · ★★ of lesson 19 «Mixtures and how to separate them» of the world course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was wrong.
---

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# Test 11 · ★★ · Mixtures and how to separate them

<!-- .ven lang=en -->
got iron filings mixed with sand, how to split em

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **What happens:** get, mix, split · **To what, where:** iron filings, em

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This is test 11 · ★★ of lesson 19 «Mixtures and how to separate them» of the world 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/world/19-mixtures-and-separating/#t11).

## The question {#question}

```conllu
# sent_id = question:world:19-mixtures-and-separating:t11:1
# text = got iron filings mixed with sand, how to split em
1	got	get	VERB	VBD	Mood=Ind|Number=Sing|Person=1|Tense=Past|VerbForm=Fin	0	root	_	_
2	iron	iron	ADJ	JJ	Degree=Pos	3	amod	_	_
3	filings	filing	NOUN	NNS	Number=Plur	1	obj	_	_
4	mixed	mix	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	acl	_	_
5	with	with	ADP	IN	_	6	case	_	_
6	sand	sand	NOUN	NN	Number=Sing	4	obl	_	SpaceAfter=No
7	,	,	PUNCT	,	_	10	punct	_	_
8	how	how	ADV	WRB	PronType=Int	10	advmod	_	_
9	to	to	PART	TO	_	10	mark	_	_
10	split	split	VERB	VB	Mood=Imp|VerbForm=Fin	1	parataxis	_	_
11	em	em	NOUN	NN	Number=Sing	10	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **get** | past |  | iron filings |  |  |  |  | vn comprehend-87.2-1 «NP V NP»: agent=Experiencer filing=Stimulus |
| 2 | **mix** | participle |  | iron filings *not said here* |  |  |  | with sand | vn mix-22.1-1-1 «NP V PP.co-patient»: agent=Patient with sand=Co-Patient |
| 3 | **split** | to-infinitive |  | em |  |  |  |  | vn break-45.1 «NP V NP»: agent=Agent em=Patient |

<!-- .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 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
Use a filter

```conllu
# sent_id = question:world:19-mixtures-and-separating:t11:o1:1
# text = Use a filter
1	Use	use	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	a	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
3	filter	filter	NOUN	NN	Number=Sing	1	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **use** | imperative | you *not said here* | a filter |  |  |  |  | vn eat-39.1 «NP V NP»: agent=Agent filter=Patient |

### Option 2 {#o2}

<!-- .ven lang=en -->
Add water and boil it

```conllu
# sent_id = question:world:19-mixtures-and-separating:t11:o2:1
# text = Add water and boil it
1	Add	add	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	water	water	NOUN	NN	Number=Sing	1	obj	_	_
3	and	and	CCONJ	CC	_	4	cc	_	_
4	boil	boil	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	1	conj	_	_
5	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **add** *speech: assert* | imperative | you *not said here* | water |  |  |  |  | vn mix-22.1-2 «NP V NP»: agent=Agent water=Patient |
| 2 | **boil** | present | you *not said here* | water |  |  |  |  | vn cooking-45.3 «NP V NP.patient»: agent=Agent it=Patient |

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

<!-- .ven lang=en -->
Use a magnet

```conllu
# sent_id = question:world:19-mixtures-and-separating:t11:o3:1
# text = Use a magnet
1	Use	use	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	a	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
3	magnet	magnet	NOUN	NN	Number=Sing	1	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **use** | imperative | you *not said here* | a magnet |  |  |  |  | vn eat-39.1 «NP V NP»: agent=Agent magnet=Patient |

### Option 4 {#o4}

<!-- .ven lang=en -->
Pour it through a fine sieve

```conllu
# sent_id = question:world:19-mixtures-and-separating:t11:o4:1
# text = Pour it through a fine sieve
1	Pour	pour	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	1	obj	_	_
3	through	through	ADP	IN	_	6	case	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
5	fine	fine	ADJ	JJ	Degree=Pos	6	amod	_	_
6	sieve	sieve	NOUN	NN	Number=Sing	1	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **pour** | imperative | you *not said here* | it |  | a fine sieve |  |  | vn preparing-26.3-2 «NP V NP»: agent=Agent it=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: [Mixtures and how to separate them, test 10](https://md.mova.elamur.ai/free/en/corpora/questions/world/19-mixtures-and-separating/t10/)
- next →: [Mixtures and how to separate them, test 12](https://md.mova.elamur.ai/free/en/corpora/questions/world/19-mixtures-and-separating/t12/)
- ↑ back to [Mixtures and how to separate them](https://md.mova.elamur.ai/free/en/corpora/questions/world/19-mixtures-and-separating/)