---
title: Giraffes are born with slightly different neck lengths; those with l… — Evolution: why giraffes really have long necks · tree and pragmatics
description: Giraffes are born with slightly different neck lengths; those with longer necks often got more food or won more fights and left more babies, so over many generations the average neck grew longer. Who acts: those, average neck. A sentence of the lesson «Evolution: why giraffes really have long necks»
---

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# Evolution: why giraffes really have long necks, sentence 6

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Giraffes are born with slightly different neck lengths; those with longer necks often got more food or won more fights and left more babies, so over many generations the average neck grew longer.

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**Who acts:** those, average neck · **What happens:** bear, get, win, leave, grow · **To what, where:** Giraffes, more food, more fights, more babies, many generations

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This is a sentence of the lesson «Evolution: why giraffes really have long necks» 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 (those, average neck), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:278-evolution-why-giraffes-really-have-long-necks.lesson:6
# text = Giraffes are born with slightly different neck lengths; those with longer necks often got more food or won more fights and left more babies, so over many generations the average neck grew longer.
# source = school lesson (ours)
# course = biology
# lesson = 278-evolution-why-giraffes-really-have-long-necks.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): R8-pos-agree ×1
1	Giraffes	giraffe	NOUN	NNS	Number=Plur	3	nsubj:pass	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	aux:pass	_	_
3	born	bear	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	with	with	ADP	IN	_	8	case	_	_
5	slightly	slightly	ADV	RB	_	6	advmod	_	_
6	different	different	ADJ	JJ	Degree=Pos	8	amod	_	_
7	neck	neck	NOUN	NN	Number=Sing	8	compound	_	_
8	lengths	length	NOUN	NNS	Number=Plur	3	obl	_	_
9	;	;	PUNCT	,	_	10	punct	_	_
10	those	that	PRON	DT	Number=Plur|PronType=Dem	15	nsubj	_	Agree=R8-pos-agree|Haiku=15:nsubj|HaikuPos=DET:DT:Number=Plur|PronType=Dem
11	with	with	ADP	IN	_	13	case	_	_
12	longer	long	ADJ	JJR	Degree=Cmp	13	amod	_	_
13	necks	neck	NOUN	NNS	Number=Plur	10	nmod	_	_
14	often	often	ADV	RB	_	15	advmod	_	_
15	got	get	VERB	VBD	Mood=Ind|Tense=Past|VerbForm=Fin	3	parataxis	_	_
16	more	more	ADJ	JJR	Degree=Cmp	17	amod	_	_
17	food	food	NOUN	NN	Number=Sing	15	obj	_	_
18	or	or	CCONJ	CC	_	19	cc	_	_
19	won	win	VERB	VBD	Mood=Ind|Tense=Past|VerbForm=Fin	15	conj	_	_
20	more	more	ADJ	JJR	Degree=Cmp	21	amod	_	_
21	fights	fight	NOUN	NNS	Number=Plur	19	obj	_	_
22	and	and	CCONJ	CC	_	23	cc	_	_
23	left	leave	VERB	VBD	Mood=Ind|Tense=Past|VerbForm=Fin	15	conj	_	_
24	more	more	ADJ	JJR	Degree=Cmp	25	amod	_	_
25	babies	baby	NOUN	NNS	Number=Plur	23	obj	_	_
26	,	,	PUNCT	,	_	34	punct	_	_
27	so	so	ADV	RB	_	34	advmod	_	_
28	over	over	ADP	IN	_	30	case	_	_
29	many	many	ADJ	JJ	Degree=Pos	30	amod	_	_
30	generations	generation	NOUN	NNS	Number=Plur	34	obl	_	_
31	the	the	DET	DT	Definite=Def|PronType=Art	33	det	_	_
32	average	average	ADJ	JJ	Degree=Pos	33	amod	_	_
33	neck	neck	NOUN	NN	Number=Sing	34	nsubj	_	_
34	grew	grow	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	3	conj	_	_
35	longer	long	ADV	RBR	Degree=Cmp	34	advmod	_	_
36	.	.	PUNCT	.	_	3	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 | **bear** | present · passive |  | Giraffes |  |  |  | with different neck lengths | vn birth-28.2-1-1 «NP V NP»: subject=Patient |
| 2 | **get** | past | those | more food |  |  |  | often *property* | vn comprehend-87.2-1 «NP V NP»: agent=Experiencer food=Stimulus |
| 3 | **win** | past | those *not said here* | more fights |  |  |  |  | vn succeed-74-2 «NP V NP»: agent=Agent fight=Eventuality |
| 4 | **leave** | past | those *not said here* | more babies |  |  |  |  | vn keep-15.2 «NP V NP»: agent=Agent baby=Theme |
| 5 | **grow** | past | the average neck |  |  |  | over many generations | long *property* | vn appear-48.1.1 «NP V PP.location»: agent=Theme over generation=Location |

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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:278-evolution-why-giraffes-really-have-long-necks.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): 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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