---
title: The magnetic strip on a bank card stores numbers as patterns of tiny… — Compasses and the magnetic Earth · tree and pragmatics
description: The magnetic strip on a bank card stores numbers as patterns of tiny magnetic areas, and a strong magnet can wipe it. Who acts: magnetic strip, strong magnet, tiny magnetic areas. A sentence of the lesson «Compasses and the magnetic Earth» of the physics course of Mova's primary school with its depe
---

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# Compasses and the magnetic Earth, sentence 14

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The magnetic strip on a bank card stores numbers as patterns of tiny magnetic areas, and a strong magnet can wipe it.

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**Who acts:** magnetic strip, strong magnet, tiny magnetic areas · **What happens:** store, wipe, pattern · **To what, where:** numbers, strip

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This is a sentence of the lesson «Compasses and the magnetic Earth» of the physics course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (magnetic strip, strong magnet, tiny magnetic areas), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:physics:030-compasses-and-the-magnetic-earth.lesson:14
# text = The magnetic strip on a bank card stores numbers as patterns of tiny magnetic areas, and a strong magnet can wipe it.
# source = school lesson (ours)
# course = physics
# lesson = 030-compasses-and-the-magnetic-earth.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): no change
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	magnetic	magnetic	ADJ	JJ	Degree=Pos	3	amod	_	_
3	strip	strip	NOUN	NN	Number=Sing	0	root	_	_
4	on	on	ADP	IN	_	8	case	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
6	bank	bank	NOUN	NN	Number=Sing	7	compound	_	_
7	card	card	NOUN	NN	Number=Sing	8	compound	_	_
8	stores	store	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	acl:relcl	_	_
9	numbers	number	NOUN	NNS	Number=Plur	8	obj	_	_
10	as	as	ADP	IN	_	11	case	_	_
11	patterns	pattern	NOUN	NNS	Number=Plur	8	obl	_	_
12	of	of	ADP	IN	_	15	case	_	_
13	tiny	tiny	ADJ	JJ	Degree=Pos	15	amod	_	_
14	magnetic	magnetic	ADJ	JJ	Degree=Pos	15	amod	_	_
15	areas	area	NOUN	NNS	Number=Plur	11	nmod	_	_
16	,	,	PUNCT	,	_	22	punct	_	_
17	and	and	CCONJ	CC	_	22	cc	_	_
18	a	a	DET	DT	Definite=Ind|PronType=Art	20	det	_	_
19	strong	strong	ADJ	JJ	Degree=Pos	20	amod	_	_
20	magnet	magnet	NOUN	NN	Number=Sing	22	nsubj	_	_
21	can	can	AUX	MD	VerbForm=Fin	22	aux	_	_
22	wipe	wipe	VERB	VB	VerbForm=Inf	8	conj	_	_
23	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	22	obj	_	_
24	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **store** | present | the magnetic strip *not said here* | numbers |  |  |  | as patterns of tiny magnetic areas | vn keep-15.2 «NP V NP»: agent=Agent number=Theme |
| 2 | **wipe** | can | a strong magnet | strip |  |  |  |  | vn wipe\_manner-10.4.1-1 «NP V NP.theme»: agent=Agent it=Theme |
| 3 | **pattern** |  | tiny magnetic areas |  |  |  |  |  | nom pattern «cognition intransitive»: of=agent |

<!-- .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.

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**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:physics:030-compasses-and-the-magnetic-earth.lesson:14`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): no change. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

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