---
title: A sieve lets fine flour through and keeps lumps; long ago gold miner… — Separating mixtures · tree and pragmatics
description: A sieve lets fine flour through and keeps lumps; long ago gold miners used pans and sieves to wash gold from river gravel. Who acts: sieve, gold miners. A sentence of the lesson «Separating mixtures» of the chemistry course of Mova's primary school with its dependency tree and the pragmatics of ever
---

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# Separating mixtures, sentence 6

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A sieve lets fine flour through and keeps lumps; long ago gold miners used pans and sieves to wash gold from river gravel.

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**Who acts:** sieve, gold miners · **What happens:** let, keep, use, wash · **To what, where:** fine flour, lumps, pans, gold, river gravel

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This is a sentence of the lesson «Separating mixtures» 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 (sieve, gold miners), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:chemistry:008-separating-mixtures.lesson:6
# text = A sieve lets fine flour through and keeps lumps; long ago gold miners used pans and sieves to wash gold from river gravel.
# source = school lesson (ours)
# course = chemistry
# lesson = 008-separating-mixtures.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 ×2
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	sieve	sieve	NOUN	NN	Number=Sing	3	nsubj	_	_
3	lets	let	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	fine	fine	ADJ	JJ	Degree=Pos	5	amod	_	_
5	flour	flour	NOUN	NN	Number=Sing	3	obj	_	_
6	through	through	ADP	IN	_	3	obl	_	_
7	and	and	CCONJ	CC	_	8	cc	_	_
8	keeps	keep	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
9	lumps	lump	NOUN	NNS	Number=Plur	8	obj	_	_
10	;	;	PUNCT	:	_	15	punct	_	_
11	long	long	ADV	RB	Degree=Pos	12	advmod	_	_
12	ago	ago	ADV	RB	_	15	advmod	_	_
13	gold	gold	NOUN	NN	Number=Sing	14	compound	_	Agree=R7-rel-agree|Haiku=14:amod|HaikuPos=ADJ:JJ:Degree=Pos
14	miners	miner	NOUN	NNS	Number=Plur	15	nsubj	_	_
15	used	use	VERB	VBD	Mood=Ind|Tense=Past|VerbForm=Fin	3	parataxis	_	Agree=R7-rel-agree|Haiku=3:conj
16	pans	pan	NOUN	NNS	Number=Plur	15	obj	_	_
17	and	and	CCONJ	CC	_	18	cc	_	_
18	sieves	sieve	NOUN	NNS	Number=Plur	16	conj	_	_
19	to	to	PART	TO	_	20	mark	_	_
20	wash	wash	VERB	VB	VerbForm=Inf	15	advcl	_	Agree=R5-strong|Haiku=16:acl
21	gold	gold	NOUN	NN	Number=Sing	20	obj	_	_
22	from	from	ADP	IN	_	24	case	_	_
23	river	river	NOUN	NN	Number=Sing	24	compound	_	_
24	gravel	gravel	NOUN	NN	Number=Sing	20	obl	_	_
25	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

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No stored speech act for this sentence.

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **let** | present | a sieve | fine flour |  |  |  |  | vn give-13.1-1 «NP V NP»: agent=Agent flour=Theme |
| 2 | **keep** | present | a sieve *not said here* | lumps |  |  |  |  | vn keep-15.2 «NP V NP»: agent=Agent lump=Theme |
| 3 | **use** | past | gold miners | pans and sieves |  |  |  | ago *property* | vn eat-39.1 «NP V NP»: agent=Agent pan=Patient |
| 4 | **wash** | to-infinitive | gold miners *not said here* | gold |  | river gravel |  |  | vn wipe\_manner-10.4.1-1 «NP V NP PP.source»: agent=Agent gold=Theme from gravel=Source |

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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:008-separating-mixtures.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, R7-rel-agree ×2. **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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