---
title: Sawfish are critically endangered, mainly because their saws tangle… — The aquarium: the shark tunnel and the rays · tree and pragmatics
description: Sawfish are critically endangered, mainly because their saws tangle in fishing nets. Who acts: Sawfish, saws. A sentence of the lesson «The aquarium: the shark tunnel and the rays» of the biology course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# The aquarium: the shark tunnel and the rays, sentence 14

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Sawfish are critically endangered, mainly because their saws tangle in fishing nets.

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**Who acts:** Sawfish, saws · **What happens:** be, tangle · **To what, where:** fishing nets

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This is a sentence of the lesson «The aquarium: the shark tunnel and the rays» 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 (Sawfish, saws), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:091-the-aquarium-the-shark-tunnel-and-the-rays.lesson:14
# text = Sawfish are critically endangered, mainly because their saws tangle in fishing nets.
# source = school lesson (ours)
# course = biology
# lesson = 091-the-aquarium-the-shark-tunnel-and-the-rays.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): R8-pos-agree ×1
1	Sawfish	sawfish	NOUN	NNS	Number=Plur	4	nsubj	_	Agree=R8-pos-agree|Haiku=4:nsubj|HaikuPos=NOUN:NN:Number=Sing
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
3	critically	critically	ADV	RB	_	4	advmod	_	_
4	endangered	endangered	ADJ	JJ	Degree=Pos	0	root	_	_
5	,	,	PUNCT	,	_	10	punct	_	_
6	mainly	mainly	ADV	RB	_	10	advmod	_	_
7	because	because	SCONJ	IN	_	10	mark	_	_
8	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	9	nmod:poss	_	_
9	saws	saw	NOUN	NNS	Number=Plur	10	nsubj	_	_
10	tangle	tangle	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	advcl	_	_
11	in	in	ADP	IN	_	13	case	_	_
12	fishing	fishing	NOUN	NN	Number=Sing	13	compound	_	_
13	nets	net	NOUN	NNS	Number=Plur	10	obl	_	_
14	.	.	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 | **is** | present | Sawfish |  |  |  |  | critically, endangered *property* | tree rules |
| 2 | **tangle** | present | rays's saws |  |  | fishing nets |  | mainly *property* | tree rules |

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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:091-the-aquarium-the-shark-tunnel-and-the-rays.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): 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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