---
title: Only iron, nickel, cobalt and steel are pulled by a magnet; British… — Olympiad: everyday chemistry detectives ★★★ · tree and pragmatics
description: Only iron, nickel, cobalt and steel are pulled by a magnet; British pennies and 2p coins made since 1992 are steel with a copper coat, so they stick. Who acts: magnet, British pennies, pennies. A sentence of the lesson «Olympiad: everyday chemistry detectives ★★★» of the chemistry course of Mova's p
---

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# Olympiad: everyday chemistry detectives ★★★, sentence 12

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Only iron, nickel, cobalt and steel are pulled by a magnet; British pennies and 2p coins made since 1992 are steel with a copper coat, so they stick.

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**Who acts:** magnet, British pennies, pennies · **What happens:** pull, make, be, stick · **To what, where:** iron, British pennies, steel

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This is a sentence of the lesson «Olympiad: everyday chemistry detectives ★★★» of the chemistry 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 (magnet, British pennies, pennies), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:chemistry:037-olympiad-everyday-chemistry-detectives.lesson:12
# text = Only iron, nickel, cobalt and steel are pulled by a magnet; British pennies and 2p coins made since 1992 are steel with a copper coat, so they stick.
# source = school lesson (ours)
# course = chemistry
# lesson = 037-olympiad-everyday-chemistry-detectives.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): R3-conj-first ×1
1	Only	only	ADV	RB	_	2	advmod	_	_
2	iron	iron	NOUN	NN	Number=Sing	10	nsubj:pass	_	_
3	,	,	PUNCT	,	_	4	punct	_	_
4	nickel	nickel	NOUN	NN	Number=Sing	2	conj	_	_
5	,	,	PUNCT	,	_	6	punct	_	_
6	cobalt	cobalt	NOUN	NN	Number=Sing	2	conj	_	_
7	and	and	CCONJ	CC	_	8	cc	_	_
8	steel	steel	NOUN	NN	Number=Sing	2	conj	_	Agree=R3-conj-first|Haiku=6:conj
9	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	10	aux:pass	_	_
10	pulled	pull	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
11	by	by	ADP	IN	_	13	case	_	_
12	a	a	DET	DT	Definite=Ind|PronType=Art	13	det	_	_
13	magnet	magnet	NOUN	NN	Number=Sing	10	obl	_	_
14	;	;	PUNCT	:	_	16	punct	_	_
15	British	British	ADJ	JJ	Degree=Pos	16	amod	_	_
16	pennies	penny	NOUN	NNS	Number=Plur	25	nsubj	_	_
17	and	and	CCONJ	CC	_	20	cc	_	_
18	2	2	NUM	CD	NumForm=Digit|NumType=Card	20	nummod	_	_
19	p	p	NOUN	NN	Number=Sing	20	compound	_	_
20	coins	coin	NOUN	NNS	Number=Plur	16	conj	_	_
21	made	make	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	16	acl	_	_
22	since	since	ADP	IN	_	23	case	_	_
23	1992	1992	NUM	CD	NumForm=Digit|NumType=Card	21	obl	_	_
24	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	25	cop	_	_
25	steel	steel	NOUN	NN	Number=Sing	10	parataxis	_	_
26	with	with	ADP	IN	_	29	case	_	_
27	a	a	DET	DT	Definite=Ind|PronType=Art	29	det	_	_
28	copper	copper	NOUN	NN	Number=Sing	29	compound	_	_
29	coat	coat	NOUN	NN	Number=Sing	25	nmod	_	_
30	,	,	PUNCT	,	_	33	punct	_	_
31	so	so	ADV	RB	_	33	advmod	_	_
32	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	33	nsubj	_	_
33	stick	stick	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	10	conj	_	_
34	.	.	PUNCT	.	_	10	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **pull** | present · passive | a magnet | iron and nickel and cobalt and steel |  |  |  |  | vn push-12-1 «NP V NP»: agent=Agent subject=Theme |
| 2 | **make** | participle |  | British pennies and 2 p coins *not said here* |  |  | since 1992 |  | vn build-26.1-1 «NP.asset V NP»: agent=Asset |
| 3 | **is a** | present | British pennies and 2 p coins | steel |  |  |  | with a copper coat | tree rules |
| 4 | **stick** | present | pennies *= penny* |  |  |  |  |  | vn shake-22.3-2 «NP V ADV-Middle»: agent=Patient |

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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:chemistry:037-olympiad-everyday-chemistry-detectives.lesson:12`.

**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): R3-conj-first ×1. **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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