---
title: Riya, dusting the TV: "It's literally a dust magnet, I've wiped it a… — Olympiad: sound, light, heat, electric… · tree and pragmatics
description: Riya, dusting the TV: "It's literally a dust magnet, I've wiped it a million times." What really pulls the dust on? Test 9 · ★★★ of lesson 43 «Olympiad: sound, light, heat, electricity and magnets ★★★» of the physics course of Mova's primary school, with the dependency tree and pragmatics of the que
---

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# Test 9 · ★★★ · Olympiad: sound, light, heat, electricity and magnets ★★★

<!-- .ven lang=en -->
Riya, dusting the TV: "It's literally a dust magnet, I've wiped it a million times." What really pulls the dust on?

<!-- .vintro -->
**Mova's choice:** option 2 · **The right answer:** option 4 · wrong ✗ · **Who acts:** Riya, TV, I · **What happens:** dust, be, wipe, pull on · **To what, where:** TV, dust magnet, dust · **Speech:** someone speaks here

<!-- .vabout -->
This is test 9 · ★★★ of lesson 43 «Olympiad: sound, light, heat, electricity and magnets ★★★» of the physics 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/physics/43-olympiad-sound-light-heat-and-magnets/#t9).

## The question {#question}

<!-- .note -->
*Sentence 1:* Riya, dusting the TV: "It's literally a dust magnet, I've wiped it a million times."

```conllu
# sent_id = question:physics:43-olympiad-sound-light-heat-and-magnets:t9:1
# text = Riya, dusting the TV: "It's literally a dust magnet, I've wiped it a million times."
1	Riya	Riya	PROPN	NNP	Number=Sing	3	nsubj	_	SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	_	_
3	dusting	dust	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	TV	TV	NOUN	NN	Number=Sing	3	obj	_	SpaceAfter=No
6	:	:	PUNCT	:	_	13	punct	_	_
7	"	"	PUNCT	``	_	13	punct	_	SpaceAfter=No
8	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	13	nsubj	_	SpaceAfter=No
9	's	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	13	cop	_	_
10	literally	literally	ADV	RB	_	13	advmod	_	_
11	a	a	DET	DT	Definite=Ind|PronType=Art	13	det	_	_
12	dust	dust	NOUN	NN	Number=Sing	13	compound	_	_
13	magnet	magnet	NOUN	NN	Number=Sing	3	conj	_	SpaceAfter=No
14	,	,	PUNCT	,	_	17	punct	_	_
15	I	I	PRON	PRP	Case=Nom|Number=Sing|Person=1|PronType=Prs	17	nsubj	_	SpaceAfter=No
16	've	have	AUX	VBP	Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin	17	aux	_	_
17	wiped	wipe	VERB	VBN	Tense=Past|VerbForm=Part	3	parataxis	_	_
18	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	17	obj	_	_
19	a	a	DET	DT	Definite=Ind|PronType=Art	20	det	_	_
20	million	million	NUM	CD	NumForm=Word|NumType=Card	21	nummod	_	_
21	times	time	NOUN	NNS	Number=Plur	17	obl:unmarked	_	SpaceAfter=No
22	.	.	PUNCT	.	_	17	punct	_	SpaceAfter=No
23	"	"	PUNCT	''	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **dust** | gerund | Riya | the TV |  |  |  |  | tree rules |
| 2 | **is a** *in a quote* | present | TV | a dust magnet |  |  |  | literally *property* | tree rules |
| 3 | **wipe** *in a quote* | present · perfect | I | TV |  |  | time |  | vn wipe\_manner-10.4.1-1 «NP V NP.theme»: agent=Agent it=Theme |

<!-- .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 really pulls the dust on?

```conllu
# sent_id = question:physics:43-olympiad-sound-light-heat-and-magnets:t9:2
# text = What really pulls the dust on?
1	What	what	PRON	WP	PronType=Int	3	obj	_	_
2	really	really	ADV	RB	_	3	advmod	_	_
3	pulls	pull	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	dust	dust	NOUN	NN	Number=Sing	3	obj	_	_
6	on	on	ADP	RP	_	3	compound:prt	_	SpaceAfter=No
7	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **pull on** | present |  | the dust |  |  |  |  | vn push-12-1 «NP V NP ADJP-Result»: agent=Agent what=Theme dust=Result |

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
The light from the screen drawing it in

```conllu
# sent_id = question:physics:43-olympiad-sound-light-heat-and-magnets:t9:o1:1
# text = The light from the screen drawing it in
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	light	light	NOUN	NN	Number=Sing	6	nsubj	_	_
3	from	from	ADP	IN	_	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	screen	screen	NOUN	NN	Number=Sing	2	nmod	_	_
6	drawing	draw	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
7	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	6	obj	_	_
8	in	in	ADP	RP	_	6	compound:prt	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **draw in** | gerund | the light from the screen | screen |  |  |  |  | vn scribble-25.2-1 «NP V NP»: agent=Agent it=Theme |

### Option 2 · ← Mova's choice {#o2}

<!-- .ven lang=en -->
A real magnet hidden inside the screen

```conllu
# sent_id = question:physics:43-olympiad-sound-light-heat-and-magnets:t9:o2:1
# text = A real magnet hidden inside the screen
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	real	real	ADJ	JJ	Degree=Pos	3	amod	_	_
3	magnet	magnet	NOUN	NN	Number=Sing	0	root	_	_
4	hidden	hide	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	acl	_	_
5	inside	inside	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	screen	screen	NOUN	NN	Number=Sing	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **hide** | participle |  | a real magnet *not said here* |  | the screen |  |  | vn concealment-16-1 «NP V PP.location»: agent=Agent inside screen=Location |

### Option 3 {#o3}

<!-- .ven lang=en -->
The heat of the screen sucking it in

```conllu
# sent_id = question:physics:43-olympiad-sound-light-heat-and-magnets:t9:o3:1
# text = The heat of the screen sucking it in
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	heat	heat	NOUN	NN	Number=Sing	0	root	_	_
3	of	of	ADP	IN	_	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	screen	screen	NOUN	NN	Number=Sing	2	nmod	_	_
6	sucking	suck	VERB	VBG	VerbForm=Ger	2	acl	_	_
7	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	6	obj	_	_
8	in	in	ADP	RP	_	6	compound:prt	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **suck in** | gerund | the heat of the screen *not said here* | screen |  |  |  |  | vn wipe\_manner-10.4.1-1 «NP V NP.theme»: agent=Agent it=Theme |
| 2 | **heat** |  | the screen |  |  |  |  |  | nom heat «phenomenon intransitive»: of=agent |

### Option 4 · ✓ the right answer {#o4}

<!-- .ven lang=en -->
A little electric charge on the screen

```conllu
# sent_id = question:physics:43-olympiad-sound-light-heat-and-magnets:t9:o4:1
# text = A little electric charge on the screen
1	A	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
2	little	little	ADJ	JJ	Degree=Pos	4	amod	_	_
3	electric	electric	ADJ	JJ	Degree=Pos	4	amod	_	_
4	charge	charge	NOUN	NN	Number=Sing	0	root	_	_
5	on	on	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	screen	screen	NOUN	NN	Number=Sing	4	nmod	_	_
```

<!-- .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.

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