---
title: That orange stuff is rust, a brand-new substance, not dirt that has… — Rust: iron's slow fire · tree and pragmatics
description: That orange stuff is rust, a brand-new substance, not dirt that has landed on the metal. Who acts: orange stuff, dirt. 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 1

<!-- .ven lang=en -->
That orange stuff is rust, a brand-new substance, not dirt that has landed on the metal.

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**Who acts:** orange stuff, dirt · **What happens:** be, land · **To what, where:** rust, metal

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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 (orange stuff, dirt), 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:1
# text = That orange stuff is rust, a brand-new substance, not dirt that has landed on the metal.
# 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
1	That	that	DET	DT	Number=Sing|PronType=Dem	3	det	_	_
2	orange	orange	ADJ	JJ	Degree=Pos	3	amod	_	_
3	stuff	stuff	NOUN	NN	Number=Sing	5	nsubj	_	_
4	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
5	rust	rust	NOUN	NN	Number=Sing	0	root	_	_
6	,	,	PUNCT	,	_	11	punct	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	11	det	_	_
8	brand	brand	NOUN	NN	Number=Sing	10	compound	_	_
9	-	-	PUNCT	HYPH	_	8	punct	_	_
10	new	new	ADJ	JJ	Degree=Pos	11	amod	_	_
11	substance	substance	NOUN	NN	Number=Sing	5	conj	_	_
12	,	,	PUNCT	,	_	14	punct	_	_
13	not	not	PART	RB	Polarity=Neg	14	advmod	_	_
14	dirt	dirt	NOUN	NN	Number=Sing	5	conj	_	Agree=R5-strong|Haiku=11:appos
15	that	that	PRON	WDT	PronType=Rel	17	nsubj	_	_
16	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	17	aux	_	_
17	landed	land	VERB	VBN	Tense=Past|VerbForm=Part	14	acl:relcl	_	_
18	on	on	ADP	IN	_	20	case	_	_
19	the	the	DET	DT	Definite=Def|PronType=Art	20	det	_	_
20	metal	metal	NOUN	NN	Number=Sing	17	obl	_	_
21	.	.	PUNCT	.	_	5	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 | that orange stuff | rust and a new substance and dirt |  |  |  |  | tree rules |
| 2 | **land** | present · perfect | dirt |  |  | the metal |  |  | vn pocket-9.10-1 «NP V PP.destination»: agent=Theme on metal=Destination |

<!-- .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:1`.

**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. **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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