---
title: Where hands rub a brass door knob or a statue's nose every day, the… — Tarnish and how metals change · tree and pragmatics
description: Where hands rub a brass door knob or a statue's nose every day, the thin dull layer is rubbed off, and the metal stays bright. Who acts: hands, metal. A sentence of the lesson «Tarnish and how metals change» of the chemistry course of Mova's primary school with its dependency tree and the pragmatics
---

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# Tarnish and how metals change, sentence 6

<!-- .ven lang=en -->
Where hands rub a brass door knob or a statue's nose every day, the thin dull layer is rubbed off, and the metal stays bright.

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**Who acts:** hands, metal · **What happens:** rub, rub off, stay · **To what, where:** brass door knob, thin dull layer

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This is a sentence of the lesson «Tarnish and how metals change» 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 (hands, metal), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:chemistry:014-tarnish-and-how-metals-change.lesson:6
# text = Where hands rub a brass door knob or a statue's nose every day, the thin dull layer is rubbed off, and the metal stays bright.
# source = school lesson (ours)
# course = chemistry
# lesson = 014-tarnish-and-how-metals-change.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	Where	where	ADV	WRB	PronType=Rel	3	advmod	_	_
2	hands	hand	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	rub	rub	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	21	advcl	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
5	brass	brass	NOUN	NN	Number=Sing	7	compound	_	_
6	door	door	NOUN	NN	Number=Sing	7	compound	_	_
7	knob	knob	NOUN	NN	Number=Sing	3	obj	_	_
8	or	or	CCONJ	CC	_	12	cc	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	10	det	_	Agree=R5-strong|Haiku=12:det
10	statue	statue	NOUN	NN	Number=Sing	12	nmod:poss	_	_
11	's	's	PART	POS	_	10	case	_	_
12	nose	nose	NOUN	NN	Number=Sing	7	conj	_	_
13	every	every	DET	DT	PronType=Tot	14	det	_	_
14	day	day	NOUN	NN	Number=Sing	3	obl:unmarked	_	_
15	,	,	PUNCT	,	_	3	punct	_	_
16	the	the	DET	DT	Definite=Def|PronType=Art	19	det	_	_
17	thin	thin	ADJ	JJ	Degree=Pos	19	amod	_	_
18	dull	dull	ADJ	JJ	Degree=Pos	19	amod	_	_
19	layer	layer	NOUN	NN	Number=Sing	21	nsubj:pass	_	_
20	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	21	aux:pass	_	_
21	rubbed	rub	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
22	off	off	ADP	RP	_	21	compound:prt	_	_
23	,	,	PUNCT	,	_	27	punct	_	_
24	and	and	CCONJ	CC	_	27	cc	_	_
25	the	the	DET	DT	Definite=Def|PronType=Art	26	det	_	_
26	metal	metal	NOUN	NN	Number=Sing	27	nsubj	_	_
27	stays	stay	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	21	conj	_	_
28	bright	bright	ADJ	JJ	Degree=Pos	27	xcomp	_	_
29	.	.	PUNCT	.	_	21	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 | **rub** | present | hands | a brass door knob or a statue's nose |  |  | day |  | vn spray-9.7-1 «NP V NP.theme»: agent=Agent knob=Theme |
| 2 | **rub off** | present · passive |  | the thin dull layer |  |  |  |  | vn spray-9.7-1 «NP V NP.theme»: subject=Theme |
| 3 | **stay** | present | the metal |  |  |  |  | bright *property* | vn exist-47.1 «NP V»: agent=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:014-tarnish-and-how-metals-change.lesson:6`.

**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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