---
title: The boto, or Amazon river dolphin, can turn its head because its nec… — The Amazon river: pink dolphins, flooded forest,… · tree and pragmatics
description: The boto, or Amazon river dolphin, can turn its head because its neck bones are not joined, and older botos are often the pinkest because scraped skin heals with pink scar tissue. Who acts: boto, older botos, scraped skin. A sentence of the lesson «The Amazon river: pink dolphins, flooded forest, gi
---

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# The Amazon river: pink dolphins, flooded forest, giant fish and piranhas, sentence 4

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The boto, or Amazon river dolphin, can turn its head because its neck bones are not joined, and older botos are often the pinkest because scraped skin heals with pink scar tissue.

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**Who acts:** boto, older botos, scraped skin · **What happens:** turn, not join, be, scrape, heal · **To what, where:** head, neck bones

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This is a sentence of the lesson «The Amazon river: pink dolphins, flooded forest, giant fish and piranhas» 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 (boto, older botos, scraped skin), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:155-the-amazon-river.lesson:4
# text = The boto, or Amazon river dolphin, can turn its head because its neck bones are not joined, and older botos are often the pinkest because scraped skin heals with pink scar tissue.
# source = school lesson (ours)
# course = biology
# lesson = 155-the-amazon-river.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, R6-punct-agree ×1, R8-pos-agree ×1
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	boto	boto	NOUN	NN	Number=Sing	10	nsubj	_	_
3	,	,	PUNCT	,	_	7	punct	_	_
4	or	or	CCONJ	CC	_	7	cc	_	_
5	Amazon	Amazon	PROPN	NNP	Number=Sing	6	compound	_	Agree=R8-pos-agree|Haiku=6:compound|HaikuPos=NOUN:NN:Number=Sing
6	river	river	NOUN	NN	Number=Sing	7	compound	_	_
7	dolphin	dolphin	NOUN	NN	Number=Sing	2	conj	_	_
8	,	,	PUNCT	,	_	2	punct	_	_
9	can	can	AUX	MD	VerbForm=Fin	10	aux	_	_
10	turn	turn	VERB	VB	VerbForm=Inf	0	root	_	_
11	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	12	nmod:poss	_	_
12	head	head	NOUN	NN	Number=Sing	10	obj	_	_
13	because	because	SCONJ	IN	_	19	mark	_	_
14	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	16	nmod:poss	_	_
15	neck	neck	NOUN	NN	Number=Sing	16	compound	_	_
16	bones	bone	NOUN	NNS	Number=Plur	19	nsubj:pass	_	_
17	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	19	aux:pass	_	_
18	not	not	PART	RB	Polarity=Neg	19	advmod	_	_
19	joined	join	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	10	advcl	_	_
20	,	,	PUNCT	,	_	27	punct	_	Agree=R6-punct-agree|Haiku=31:punct
21	and	and	CCONJ	CC	_	27	cc	_	_
22	older	old	ADJ	JJR	Degree=Cmp	23	amod	_	_
23	botos	boto	NOUN	NNS	Number=Plur	27	nsubj	_	_
24	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	27	cop	_	_
25	often	often	ADV	RB	_	27	advmod	_	_
26	the	the	DET	DT	Definite=Def|PronType=Art	27	det	_	_
27	pinkest	pink	ADJ	JJS	Degree=Sup	19	conj	_	_
28	because	because	SCONJ	IN	_	31	mark	_	_
29	scraped	scrape	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	30	amod	_	_
30	skin	skin	NOUN	NN	Number=Sing	31	nsubj	_	Agree=R5-strong|Haiku=27:nsubj
31	heals	heal	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	27	advcl	_	_
32	with	with	ADP	IN	_	35	case	_	_
33	pink	pink	ADJ	JJ	Degree=Pos	35	amod	_	_
34	scar	scar	NOUN	NN	Number=Sing	35	compound	_	_
35	tissue	tissue	NOUN	NN	Number=Sing	31	obl	_	_
36	.	.	PUNCT	.	_	10	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 | **turn** | can | the boto or river dolphin | boto's head |  |  |  |  | vn roll-51.3.1 «NP V NP.theme»: agent=Agent head=Theme |
| 2 | **not** **join** | present · passive |  | boto's neck bones |  |  |  |  | vn mix-22.1-2-1 «NP V NP»: subject=Patient |
| 3 | **is** | present | older botos |  |  |  |  | often, pink *property* | tree rules |
| 4 | **scrape** | participle |  |  |  |  |  |  | vn cut-21.1-1 «NP V ADVP-Middle»: agent=Patient |
| 5 | **heal** | present | scraped skin |  |  |  |  | with pink scar tissue | vn other\_cos-45.4 «NP V NP PP.instrument»: agent=Agent with tissue=Instrument |

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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:155-the-amazon-river.lesson:4`.

**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, R6-punct-agree ×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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