---
title: Sea tanks are made with special salt mixed into clean water and test… — The aquarium: the coral reef tank · tree and pragmatics
description: Sea tanks are made with special salt mixed into clean water and tested every day, and big filters clean the water like kidneys. Who acts: big filters. A sentence of the lesson «The aquarium: the coral reef tank» of the biology course of Mova's primary school with its dependency tree and the pragmati
---

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# The aquarium: the coral reef tank, sentence 15

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Sea tanks are made with special salt mixed into clean water and tested every day, and big filters clean the water like kidneys.

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**Who acts:** big filters · **What happens:** make, mix, test, clean · **To what, where:** Sea tanks, special salt, water

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This is a sentence of the lesson «The aquarium: the coral reef tank» of the biology 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 (big filters), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:090-aquarium-the-coral-reef-tank.lesson:15
# text = Sea tanks are made with special salt mixed into clean water and tested every day, and big filters clean the water like kidneys.
# source = school lesson (ours)
# course = biology
# lesson = 090-aquarium-the-coral-reef-tank.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): R1-cc-next ×2, R5-strong ×1, R8-pos-agree ×1
1	Sea	sea	NOUN	NN	Number=Sing	2	compound	_	_
2	tanks	tank	NOUN	NNS	Number=Plur	4	nsubj:pass	_	_
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	aux:pass	_	_
4	made	make	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	with	with	ADP	IN	_	7	case	_	_
6	special	special	ADJ	JJ	Degree=Pos	7	amod	_	_
7	salt	salt	NOUN	NN	Number=Sing	4	obl	_	_
8	mixed	mix	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	7	acl	_	_
9	into	into	ADP	IN	_	11	case	_	_
10	clean	clean	ADJ	JJ	Degree=Pos	11	amod	_	_
11	water	water	NOUN	NN	Number=Sing	8	obl	_	_
12	and	and	CCONJ	CC	_	13	cc	_	Agree=R1-cc-next|Haiku=4:cc
13	tested	test	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	conj	_	Agree=R8-pos-agree|Haiku=4:conj|HaikuPos=VERB:VBD:Mood=Ind|Number=Sing|Person=1|Tense=Past|VerbForm=Fin
14	every	every	DET	DT	PronType=Tot	15	det	_	_
15	day	day	NOUN	NN	Number=Sing	13	obl:unmarked	_	_
16	,	,	PUNCT	,	_	4	punct	_	_
17	and	and	CCONJ	CC	_	20	cc	_	Agree=R1-cc-next|Haiku=4:cc
18	big	big	ADJ	JJ	Degree=Pos	19	amod	_	_
19	filters	filter	NOUN	NNS	Number=Plur	20	nsubj	_	_
20	clean	clean	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	conj	_	_
21	the	the	DET	DT	Definite=Def|PronType=Art	22	det	_	_
22	water	water	NOUN	NN	Number=Sing	20	obj	_	_
23	like	like	ADP	IN	_	24	case	_	_
24	kidneys	kidney	NOUN	NNS	Number=Plur	20	obl	_	Agree=R5-strong|Haiku=22:nmod
25	.	.	PUNCT	.	_	4	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 | **make** | present · passive |  | Sea tanks |  |  |  | with special salt | vn build-26.1-1 «NP.asset V NP»: subject=Product |
| 2 | **mix** | participle |  | special salt *not said here* |  |  |  | into clean water | vn mix-22.1-1-1 «NP V PP.co-patient»: agent=Patient into water=Co-Patient |
| 3 | **test** | participle |  |  |  |  | day |  | vn assessment-34.1 «NP V NP»: agent=Agent |
| 4 | **clean** | present | big filters | the water |  |  |  | like kidneys | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent water=Patient |

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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:biology:090-aquarium-the-coral-reef-tank.lesson:15`.

**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): R1-cc-next ×2, R5-strong ×1, R8-pos-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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