---
title: Identify the item which a spinning magnet in a sorting plant expels… — Olympiad: machines at home and in the… · tree and pragmatics
description: Identify the item which a spinning magnet in a sorting plant expels from the conveyor belt. Exam question 4 of lesson 42 «Olympiad: machines at home and in the factory ★★★» of the technology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; 
---

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# Exam question 4 · Olympiad: machines at home and in the factory ★★★

<!-- .ven lang=en -->
Identify the item which a spinning magnet in a sorting plant expels from the conveyor belt.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** you, spinning magnet · **What happens:** identify, spin, expel · **To what, where:** item, conveyor belt

<!-- .vabout -->
This is exam question 4 of lesson 42 «Olympiad: machines at home and in the factory ★★★» of the technology course of Mova's primary school, asked in stiff, formal language. 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/technology/42-olympiad-machines-at-home-and-in-the-factory/#e4).

## The question {#question}

```conllu
# sent_id = question:technology:42-olympiad-machines-at-home-and-in-the-factory:e4:1
# text = Identify the item which a spinning magnet in a sorting plant expels from the conveyor belt.
1	Identify	identify	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	item	item	NOUN	NN	Number=Sing	1	obj	_	_
4	which	which	PRON	WDT	PronType=Rel	12	obj	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
6	spinning	spin	VERB	VBG	VerbForm=Ger	7	compound	_	_
7	magnet	magnet	NOUN	NN	Number=Sing	12	nsubj	_	_
8	in	in	ADP	IN	_	11	case	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	11	det	_	_
10	sorting	sorting	NOUN	NN	Number=Sing	11	compound	_	_
11	plant	plant	NOUN	NN	Number=Sing	7	nmod	_	_
12	expels	expel	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	acl:relcl	_	_
13	from	from	ADP	IN	_	16	case	_	_
14	the	the	DET	DT	Definite=Def|PronType=Art	16	det	_	_
15	conveyor	conveyor	NOUN	NN	Number=Sing	16	compound	_	_
16	belt	belt	NOUN	NN	Number=Sing	12	obl	_	SpaceAfter=No
17	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **identify** | imperative | you *not said here* | the item |  |  |  |  | vn characterize-29.2-1-1 «NP V NP S\_ING»: agent=Agent item=Theme |
| 2 | **spin** | gerund |  |  |  |  |  |  | vn roll-51.3.1 «NP.theme V»: agent=Theme |
| 3 | **expel** | present | a spinning magnet in a sorting plant | the item |  | the conveyor belt |  |  | vn banish-10.2 «NP V NP PP.source»: agent=Agent which=Theme from belt=Source |

<!-- .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 · ✓ the right answer {#o1}

<!-- .ven lang=en -->
The aluminium can

```conllu
# sent_id = question:technology:42-olympiad-machines-at-home-and-in-the-factory:e4:o1:1
# text = The aluminium can
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	aluminium	aluminium	NOUN	NN	Number=Sing	3	nsubj	_	_
3	can	can	AUX	MD	VerbForm=Fin	0	root	_	_
```

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

### Option 2 {#o2}

<!-- .ven lang=en -->
The plastic bottle

```conllu
# sent_id = question:technology:42-olympiad-machines-at-home-and-in-the-factory:e4:o2:1
# text = The plastic bottle
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	plastic	plastic	ADJ	JJ	Degree=Pos	3	amod	_	_
3	bottle	bottle	NOUN	NN	Number=Sing	0	root	_	_
```

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

### Option 3 {#o3}

<!-- .ven lang=en -->
The steel can

```conllu
# sent_id = question:technology:42-olympiad-machines-at-home-and-in-the-factory:e4:o3:1
# text = The steel can
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	steel	steel	NOUN	NN	Number=Sing	3	nsubj	_	_
3	can	can	AUX	MD	VerbForm=Fin	0	root	_	_
```

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

### Option 4 {#o4}

<!-- .ven lang=en -->
The paper carton

```conllu
# sent_id = question:technology:42-olympiad-machines-at-home-and-in-the-factory:e4:o4:1
# text = The paper carton
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	paper	paper	NOUN	NN	Number=Sing	3	compound	_	_
3	carton	carton	NOUN	NN	Number=Sing	0	root	_	_
```

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

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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: [Olympiad: machines at home and in the…, exam 3](https://md.mova.elamur.ai/free/en/corpora/questions/technology/42-olympiad-machines-at-home-and-in-the-factory/e3/)
- next →: [Olympiad: transport, building and ener…, test 1](https://md.mova.elamur.ai/free/en/corpora/questions/technology/43-olympiad-transport-building-and-energy/t1/)
- ↑ back to [Olympiad: machines at home and in the factory ★★★](https://md.mova.elamur.ai/free/en/corpora/questions/technology/42-olympiad-machines-at-home-and-in-the-factory/)