---
title: The blue-ringed octopus is small enough to sit on a hand but carries… — Australia's venomous animals and why few people… · tree and pragmatics
description: The blue-ringed octopus is small enough to sit on a hand but carries venom that can stop breathing, and its blue rings flash only when it is alarmed, as a warning. Who acts: blue ringed octopus, venom, blue rings. A sentence of the lesson «Australia's venomous animals and why few people die» of the 
---

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# Australia's venomous animals and why few people die, sentence 9

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The blue-ringed octopus is small enough to sit on a hand but carries venom that can stop breathing, and its blue rings flash only when it is alarmed, as a warning.

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**Who acts:** blue ringed octopus, venom, blue rings · **What happens:** ring, be, sit, carry, stop, breathe · **To what, where:** hand, venom, octopus

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This is a sentence of the lesson «Australia's venomous animals and why few people die» 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 (blue ringed octopus, venom, blue rings), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:166-australias-venomous-animals-and-why-few-people-die.lesson:9
# text = The blue-ringed octopus is small enough to sit on a hand but carries venom that can stop breathing, and its blue rings flash only when it is alarmed, as a warning.
# source = school lesson (ours)
# course = biology
# lesson = 166-australias-venomous-animals-and-why-few-people-die.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, R8-pos-agree ×1
1	The	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
2	blue	blue	ADJ	JJ	Degree=Pos	5	amod	_	_
3	-	-	PUNCT	HYPH	_	2	punct	_	_
4	ringed	ring	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	5	amod	_	Agree=R8-pos-agree|Haiku=5:amod|HaikuPos=ADJ:JJ:Degree=Pos
5	octopus	octopus	NOUN	NN	Number=Sing	7	nsubj	_	_
6	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	cop	_	_
7	small	small	ADJ	JJ	Degree=Pos	0	root	_	_
8	enough	enough	ADV	RB	_	7	advmod	_	_
9	to	to	PART	TO	_	10	mark	_	_
10	sit	sit	VERB	VB	Mood=Imp|VerbForm=Fin	7	advcl	_	Agree=R7-rel-agree|Haiku=7:parataxis
11	on	on	ADP	IN	_	13	case	_	_
12	a	a	DET	DT	Definite=Ind|PronType=Art	13	det	_	_
13	hand	hand	NOUN	NN	Number=Sing	10	obl	_	_
14	but	but	CCONJ	CC	_	15	cc	_	_
15	carries	carry	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	10	conj	_	_
16	venom	venom	NOUN	NN	Number=Sing	15	obj	_	_
17	that	that	PRON	WDT	PronType=Rel	19	nsubj	_	_
18	can	can	AUX	MD	VerbForm=Fin	19	aux	_	_
19	stop	stop	VERB	VB	VerbForm=Inf	16	acl:relcl	_	_
20	breathing	breathe	VERB	VBG	VerbForm=Ger	19	xcomp	_	_
21	,	,	PUNCT	,	_	26	punct	_	_
22	and	and	CCONJ	CC	_	26	cc	_	_
23	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	25	nmod:poss	_	_
24	blue	blue	ADJ	JJ	Degree=Pos	25	amod	_	_
25	rings	ring	NOUN	NNS	Number=Plur	26	nsubj	_	_
26	flash	flash	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	15	conj	_	_
27	only	only	ADV	RB	_	31	advmod	_	_
28	when	when	ADV	WRB	PronType=Int	31	advmod	_	_
29	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	31	nsubj:pass	_	_
30	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	31	aux:pass	_	_
31	alarmed	alarm	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	26	advcl	_	Agree=R7-rel-agree|Haiku=26:conj
32	,	,	PUNCT	,	_	35	punct	_	_
33	as	as	ADP	IN	_	35	case	_	_
34	a	a	DET	DT	Definite=Ind|PronType=Art	35	det	_	_
35	warning	warning	NOUN	NN	Number=Sing	26	obl	_	Agree=R5-strong|Haiku=31:obl
36	.	.	PUNCT	.	_	7	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 | **ring** | participle |  |  |  |  |  |  | vn sound\_emission-43.2 «NP V»: agent=Theme |
| 2 | **is** | present | the blue ringed octopus |  |  |  |  | enough, small *property* | tree rules |
| 3 | **sit** | to-infinitive | the blue ringed octopus *not said here* |  |  | a hand |  |  | vn assuming\_position-50 «NP V PP.location»: agent=Agent on hand=Location |
| 4 | **carry** | present | the blue ringed octopus *not said here* | venom |  |  |  |  | vn carry-11.4 «NP V NP»: agent=Agent venom=Theme |
| 5 | **stop** | can | venom |  |  |  |  |  | vn stop-55.4-1-1 «NP V S\_ING»: agent=Affector clause=Eventuality |
| 6 | **breathe** | gerund | venom *not said here* |  |  |  |  |  | vn breathe-40.1.2-1 «NP V»: agent=Agent |
| 7 | **flash** | present | venom's blue rings |  |  |  |  | as a warning | vn light\_emission-43.1 «NP V»: agent=Theme |
| 8 | **alarm** | present · passive |  | octopus |  |  |  |  | vn amuse-31.1 «NP V NP»: subject=Experiencer |

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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:166-australias-venomous-animals-and-why-few-people-die.lesson:9`.

**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, 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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