---
title: An octopus has three hearts and blue blood, because its blood uses c… — Animal minds: the octopus, escape artist and puz… · tree and pragmatics
description: An octopus has three hearts and blue blood, because its blood uses copper instead of iron to carry oxygen; its cousin the squid has three hearts too. Who acts: octopus, blood, cousin. A sentence of the lesson «Animal minds: the octopus, escape artist and puzzle solver» of the biology course of Mova'
---

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# Animal minds: the octopus, escape artist and puzzle solver, sentence 14

<!-- .ven lang=en -->
An octopus has three hearts and blue blood, because its blood uses copper instead of iron to carry oxygen; its cousin the squid has three hearts too.

<!-- .vintro -->
**Who acts:** octopus, blood, cousin · **What happens:** have, use, carry · **To what, where:** three hearts, copper, oxygen

<!-- .vabout -->
This is a sentence of the lesson «Animal minds: the octopus, escape artist and puzzle solver» 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, blood, cousin), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:234-animal-minds-the-octopus-escape-artist-and-puzzle-solver.lesson:14
# text = An octopus has three hearts and blue blood, because its blood uses copper instead of iron to carry oxygen; its cousin the squid has three hearts too.
# source = school lesson (ours)
# course = biology
# lesson = 234-animal-minds-the-octopus-escape-artist-and-puzzle-solver.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): 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	three	three	NUM	CD	NumForm=Word|NumType=Card	5	nummod	_	_
5	hearts	heart	NOUN	NNS	Number=Plur	3	obj	_	_
6	and	and	CCONJ	CC	_	8	cc	_	_
7	blue	blue	ADJ	JJ	Degree=Pos	8	amod	_	_
8	blood	blood	NOUN	NN	Number=Sing	5	conj	_	_
9	,	,	PUNCT	,	_	13	punct	_	_
10	because	because	SCONJ	IN	_	13	mark	_	_
11	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	12	nmod:poss	_	_
12	blood	blood	NOUN	NN	Number=Sing	13	nsubj	_	_
13	uses	use	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	advcl	_	_
14	copper	copper	NOUN	NN	Number=Sing	13	obj	_	_
15	instead	instead	ADV	RB	ExtPos=ADP	17	case	_	_
16	of	of	ADP	IN	_	15	fixed	_	_
17	iron	iron	NOUN	NN	Number=Sing	13	obl	_	_
18	to	to	PART	TO	_	19	mark	_	_
19	carry	carry	VERB	VB	VerbForm=Inf	13	advcl	_	_
20	oxygen	oxygen	NOUN	NN	Number=Sing	19	obj	_	_
21	;	;	PUNCT	,	_	26	punct	_	_
22	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	23	nmod:poss	_	_
23	cousin	cousin	NOUN	NN	Number=Sing	26	nsubj	_	_
24	the	the	DET	DT	Definite=Def|PronType=Art	25	det	_	_
25	squid	squid	NOUN	NN	Number=Sing	23	appos	_	_
26	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	parataxis	_	Agree=R7-rel-agree|Haiku=3:conj
27	three	three	NUM	CD	NumForm=Word|NumType=Card	28	nummod	_	_
28	hearts	heart	NOUN	NNS	Number=Plur	26	obj	_	_
29	too	too	ADV	RB	_	26	advmod	_	_
30	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- 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 | **have** | present | a octopus | three hearts and blue blood |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent heart=Patient |
| 2 | **use** | present | octopus's blood | copper |  |  |  | instead iron | vn eat-39.1 «NP V NP»: agent=Agent copper=Patient |
| 3 | **carry** | to-infinitive | octopus's blood *not said here* | oxygen |  |  |  |  | vn carry-11.4 «NP V NP»: agent=Agent oxygen=Theme |
| 4 | **have** | present | octopus's cousin | three hearts |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent heart=Patient |

<!-- .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:234-animal-minds-the-octopus-escape-artist-and-puzzle-solver.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): 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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- next →: [Animal minds: the octopus, escape arti…, 15](https://md.mova.elamur.ai/free/en/corpora/school/biology/234-animal-minds-the-octopus-escape-artist-and-puzzle-solver/15/)
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