---
title: Mining can poison rivers with acid and toxic metals such as mercury… — Metals, mining and what they cost · tree and pragmatics
description: Mining can poison rivers with acid and toxic metals such as mercury and arsenic. Who acts: Mining. A sentence of the lesson «Metals, mining and what they cost» of the geography course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Metals, mining and what they cost, sentence 14

<!-- .ven lang=en -->
Mining can poison rivers with acid and toxic metals such as mercury and arsenic.

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**Who acts:** Mining · **What happens:** poison · **To what, where:** rivers

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This is a sentence of the lesson «Metals, mining and what they cost» of the geography 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 (Mining), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:geography:060-metals-mining-and-what-they-cost.lesson:14
# text = Mining can poison rivers with acid and toxic metals such as mercury and arsenic.
# source = school lesson (ours)
# course = geography
# lesson = 060-metals-mining-and-what-they-cost.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): no change
1	Mining	mining	NOUN	NN	Number=Sing	3	nsubj	_	_
2	can	can	AUX	MD	VerbForm=Fin	3	aux	_	_
3	poison	poison	VERB	VB	VerbForm=Inf	0	root	_	_
4	rivers	river	NOUN	NNS	Number=Plur	3	obj	_	_
5	with	with	ADP	IN	_	9	case	_	_
6	acid	acid	ADJ	JJ	Degree=Pos	9	amod	_	_
7	and	and	CCONJ	CC	_	8	cc	_	_
8	toxic	toxic	ADJ	JJ	Degree=Pos	6	conj	_	_
9	metals	metal	NOUN	NNS	Number=Plur	3	obl	_	_
10	such	such	ADJ	JJ	Degree=Pos|ExtPos=ADP	12	case	_	_
11	as	as	ADP	IN	_	10	fixed	_	_
12	mercury	mercury	NOUN	NN	Number=Sing	9	nmod	_	_
13	and	and	CCONJ	CC	_	14	cc	_	_
14	arsenic	arsenic	NOUN	NN	Number=Sing	12	conj	_	_
15	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
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 | **poison** | can | Mining | rivers |  |  |  | with acid metals such mercury and arsenic | vn poison-42.2 «NP V NP PP.instrument»: agent=Agent river=Patient with metal=Instrument |

<!-- .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:geography:060-metals-mining-and-what-they-cost.lesson:14`.

**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): no change. **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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