---
title: In a hand-warmer pack the iron is a fine powder, so it rusts fast en… — Rust: iron's slow fire · tree and pragmatics
description: In a hand-warmer pack the iron is a fine powder, so it rusts fast enough for you to feel the warmth. Who acts: iron, you. A sentence of the lesson «Rust: iron's slow fire» of the chemistry course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Rust: iron's slow fire, sentence 5

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In a hand-warmer pack the iron is a fine powder, so it rusts fast enough for you to feel the warmth.

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**Who acts:** iron, you · **What happens:** be, rust, feel · **To what, where:** fine powder, hand warmer pack, warmth

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This is a sentence of the lesson «Rust: iron's slow fire» 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 (iron, you), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:chemistry:013-rust-irons-slow-fire.lesson:5
# text = In a hand-warmer pack the iron is a fine powder, so it rusts fast enough for you to feel the warmth.
# source = school lesson (ours)
# course = chemistry
# lesson = 013-rust-irons-slow-fire.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): R5-strong ×1, R7-rel-agree ×1
1	In	in	ADP	IN	_	6	case	_	_
2	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
3	hand	hand	NOUN	NN	Number=Sing	6	compound	_	_
4	-	-	PUNCT	HYPH	_	3	punct	_	_
5	warmer	warm	ADJ	JJR	Degree=Cmp	6	amod	_	_
6	pack	pack	NOUN	NN	Number=Sing	12	obl	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	iron	iron	NOUN	NN	Number=Sing	12	nsubj	_	_
9	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	12	cop	_	_
10	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	_
11	fine	fine	ADJ	JJ	Degree=Pos	12	amod	_	_
12	powder	powder	NOUN	NN	Number=Sing	0	root	_	_
13	,	,	PUNCT	,	_	16	punct	_	_
14	so	so	ADV	RB	_	16	advmod	_	Agree=R7-rel-agree|Haiku=16:cc|HaikuPos=CCONJ:CC:_
15	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	16	nsubj	_	_
16	rusts	rust	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	12	conj	_	_
17	fast	fast	ADV	RB	Degree=Pos	16	advmod	_	_
18	enough	enough	ADV	RB	_	16	advmod	_	Agree=R5-strong|Haiku=17:advmod
19	for	for	SCONJ	IN	_	22	mark	_	_
20	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	22	nsubj	_	_
21	to	to	PART	TO	_	22	mark	_	_
22	feel	feel	VERB	VB	VerbForm=Inf	16	advcl	_	_
23	the	the	DET	DT	Definite=Def|PronType=Art	24	det	_	_
24	warmth	warmth	NOUN	NN	Number=Sing	22	obj	_	_
25	.	.	PUNCT	.	_	12	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 | **is a** | present | the iron | a fine powder |  | a hand warmer pack |  |  | tree rules |
| 2 | **rust** | present | iron |  |  |  |  | enough, fast *property* | vn entity\_specific\_cos-45.5 «NP.patient V»: agent=Patient |
| 3 | **feel** | to-infinitive | you | the warmth |  |  |  |  | vn hunt-35.1 «NP V NP»: agent=Agent warmth=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.

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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:013-rust-irons-slow-fire.lesson:5`.

**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): R5-strong ×1, R7-rel-agree ×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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