---
title: An octopus has about 500 million nerve cells, about two thirds of th… — Octopuses, squid and cuttlefish · tree and pragmatics
description: An octopus has about 500 million nerve cells, about two thirds of them in its arms, and its suckers can taste what they touch. Who acts: octopus, suckers, Octopuses. A sentence of the lesson «Octopuses, squid and cuttlefish» of the biology course of Mova's primary school with its dependency tree and
---

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# Octopuses, squid and cuttlefish, sentence 8

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An octopus has about 500 million nerve cells, about two thirds of them in its arms, and its suckers can taste what they touch.

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**Who acts:** octopus, suckers, Octopuses · **What happens:** have, taste, touch · **To what, where:** million nerve cells

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This is a sentence of the lesson «Octopuses, squid and cuttlefish» 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 (octopus, suckers, Octopuses), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:039-octopuses-squid-and-cuttlefish.lesson:8
# text = An octopus has about 500 million nerve cells, about two thirds of them in its arms, and its suckers can taste what they touch.
# source = school lesson (ours)
# course = biology
# lesson = 039-octopuses-squid-and-cuttlefish.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 ×1, R7-rel-agree ×1
1	An	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	octopus	octopus	NOUN	NN	Number=Sing	3	nsubj	_	_
3	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	about	about	ADV	RB	_	6	advmod	_	_
5	500	500	NUM	CD	NumForm=Digit|NumType=Card	6	compound	_	_
6	million	million	NUM	CD	NumForm=Word|NumType=Card	8	nummod	_	_
7	nerve	nerve	NOUN	NN	Number=Sing	8	compound	_	_
8	cells	cell	NOUN	NNS	Number=Plur	3	obj	_	_
9	,	,	PUNCT	,	_	12	punct	_	_
10	about	about	ADV	RB	_	11	advmod	_	_
11	two	two	NUM	CD	NumForm=Word|NumType=Card	12	nummod	_	_
12	thirds	third	NOUN	NNS	Number=Plur	8	appos	_	Agree=R7-rel-agree|Haiku=8:nmod
13	of	of	ADP	IN	_	14	case	_	_
14	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	12	nmod	_	_
15	in	in	ADP	IN	_	17	case	_	_
16	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	17	nmod:poss	_	_
17	arms	arm	NOUN	NNS	Number=Plur	12	nmod	_	_
18	,	,	PUNCT	,	_	23	punct	_	_
19	and	and	CCONJ	CC	_	23	cc	_	Agree=R1-cc-next|Haiku=3:cc
20	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	21	nmod:poss	_	_
21	suckers	sucker	NOUN	NNS	Number=Plur	23	nsubj	_	_
22	can	can	AUX	MD	VerbForm=Fin	23	aux	_	_
23	taste	taste	VERB	VB	VerbForm=Inf	3	conj	_	_
24	what	what	PRON	WP	PronType=Int	26	obj	_	_
25	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	26	nsubj	_	_
26	touch	touch	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	23	ccomp	_	_
27	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have** | present | a octopus | million nerve cells |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent cell=Patient |
| 2 | **taste** | can | blood's suckers |  |  |  |  |  | vn see-30.1 «NP V how S»: agent=Experiencer clause=Stimulus |
| 3 | **touch** | present | Octopuses *= octopus* |  |  |  |  |  | vn contiguous\_location-47.8-1 «NP V NP»: agent=Theme what=Co-Theme |

<!-- .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:biology:039-octopuses-squid-and-cuttlefish.lesson:8`.

**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 ×1, R7-rel-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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