---
title: Bottlenose dolphins each have a signature whistle that works like a… — Dolphins, porpoises and seals · tree and pragmatics
description: Bottlenose dolphins each have a signature whistle that works like a name, and they remember old friends' whistles for at least 20 years. Who acts: Bottlenose dolphins, signature whistle, things, old friends. A sentence of the lesson «Dolphins, porpoises and seals» of the biology course of Mova's pri
---

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# Dolphins, porpoises and seals, sentence 6

<!-- .ven lang=en -->
Bottlenose dolphins each have a signature whistle that works like a name, and they remember old friends' whistles for at least 20 years.

<!-- .vintro -->
**Who acts:** Bottlenose dolphins, signature whistle, things, old friends · **What happens:** have, work, remember, whistle · **To what, where:** signature whistle, whistles

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This is a sentence of the lesson «Dolphins, porpoises and seals» 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 (Bottlenose dolphins, signature whistle, things, old friends), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:027-dolphins-porpoises-and-seals.lesson:6
# text = Bottlenose dolphins each have a signature whistle that works like a name, and they remember old friends' whistles for at least 20 years.
# source = school lesson (ours)
# course = biology
# lesson = 027-dolphins-porpoises-and-seals.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 ×2
1	Bottlenose	bottlenose	NOUN	NN	Number=Sing	2	compound	_	_
2	dolphins	dolphin	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	each	each	DET	DT	PronType=Tot	4	advmod	_	_
4	have	have	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
6	signature	signature	NOUN	NN	Number=Sing	7	compound	_	_
7	whistle	whistle	NOUN	NN	Number=Sing	4	obj	_	_
8	that	that	PRON	WDT	PronType=Rel	9	nsubj	_	_
9	works	work	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	acl:relcl	_	_
10	like	like	ADP	IN	_	12	case	_	_
11	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	_
12	name	name	NOUN	NN	Number=Sing	9	obl	_	_
13	,	,	PUNCT	,	_	16	punct	_	_
14	and	and	CCONJ	CC	_	16	cc	_	_
15	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	16	nsubj	_	_
16	remember	remember	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	conj	_	_
17	old	old	ADJ	JJ	Degree=Pos	18	amod	_	_
18	friends	friend	NOUN	NNS	Number=Plur	20	nmod:poss	_	Agree=R5-strong|Haiku=16:obj
19	'	's	PART	POS	_	18	case	_	_
20	whistles	whistle	NOUN	NNS	Number=Plur	16	obj	_	Agree=R5-strong|Haiku=18:conj
21	for	for	ADP	IN	_	25	case	_	_
22	at	at	ADP	IN	_	23	fixed	_	_
23	least	least	ADV	RBS	Degree=Sup	24	advmod	_	_
24	20	20	NUM	CD	NumForm=Digit|NumType=Card	25	nummod	_	_
25	years	year	NOUN	NNS	Number=Plur	16	obl	_	_
26	.	.	PUNCT	.	_	4	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: changed polarity=none

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have** | present | Bottlenose dolphins | a signature whistle |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent whistle=Patient |
| 2 | **work** | present | a signature whistle |  |  |  |  | like a name | vn employment-95.3 «NP V»: agent=Agent |
| 3 | **remember** | present | things *= thing* | old friends's whistles |  |  | year |  | vn characterize-29.2-1-1 «NP V NP S\_ING»: agent=Agent whistle=Theme |
| 4 | **whistle** |  | old friends |  |  |  |  |  | nom whistle «event intransitive»: poss=agent |

<!-- .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:027-dolphins-porpoises-and-seals.lesson:6`.

**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 ×2. **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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