---
title: Earth is about 4.5 billion years old and the dinosaurs died out 66 m… — How we got here: the big steps on one long timel… · tree and pragmatics
description: Earth is about 4.5 billion years old and the dinosaurs died out 66 million years ago, so no human ever met a dinosaur. Who acts: Earth, dinosaurs, human. A sentence of the lesson «How we got here: the big steps on one long timeline» of the history course of Mova's primary school with its dependency 
---

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# How we got here: the big steps on one long timeline, sentence 22

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Earth is about 4.5 billion years old and the dinosaurs died out 66 million years ago, so no human ever met a dinosaur.

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**Who acts:** Earth, dinosaurs, human · **What happens:** be, die out, meet · **To what, where:** dinosaur

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This is a sentence of the lesson «How we got here: the big steps on one long timeline» of the history 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 (Earth, dinosaurs, human), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:history:061-how-we-got-here-the-big-steps-on-one-long-timeline.lesson:22
# text = Earth is about 4.5 billion years old and the dinosaurs died out 66 million years ago, so no human ever met a dinosaur.
# source = school lesson (ours)
# course = history
# lesson = 061-how-we-got-here-the-big-steps-on-one-long-timeline.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	Earth	Earth	PROPN	NNP	Number=Sing	7	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	cop	_	_
3	about	about	ADV	RB	_	5	advmod	_	_
4	4.5	4.5	NUM	CD	NumForm=Digit|NumType=Card	5	compound	_	_
5	billion	billion	NUM	CD	NumForm=Word|NumType=Card	6	nummod	_	_
6	years	year	NOUN	NNS	Number=Plur	7	obl:unmarked	_	_
7	old	old	ADJ	JJ	Degree=Pos	0	root	_	_
8	and	and	CCONJ	CC	_	11	cc	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	dinosaurs	dinosaur	NOUN	NNS	Number=Plur	11	nsubj	_	_
11	died	die	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	7	conj	_	_
12	out	out	ADV	RB	_	11	advmod	_	_
13	66	66	NUM	CD	NumForm=Digit|NumType=Card	14	compound	_	_
14	million	million	NUM	CD	NumForm=Word|NumType=Card	15	nummod	_	_
15	years	year	NOUN	NNS	Number=Plur	16	obl:unmarked	_	_
16	ago	ago	ADV	RB	_	11	advmod	_	_
17	,	,	PUNCT	,	_	22	punct	_	_
18	so	so	ADV	RB	_	22	advmod	_	_
19	no	no	DET	DT	PronType=Neg	20	det	_	_
20	human	human	NOUN	NN	Number=Sing	22	nsubj	_	_
21	ever	ever	ADV	RB	PronType=Ind	22	advmod	_	_
22	met	meet	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	7	parataxis	_	Agree=R7-rel-agree|Haiku=7:advcl
23	a	a	DET	DT	Definite=Ind|PronType=Art	24	det	_	_
24	dinosaur	dinosaur	NOUN	NN	Number=Sing	22	obj	_	_
25	.	.	PUNCT	.	_	7	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 | **is** | present | Earth |  |  |  | year | old *property* | tree rules |
| 2 | **die out** | past | the dinosaurs |  |  |  |  | ago, out *property* | vn calibratable\_cos-45.6.1 «NP.attribute V»: agent=Attribute |
| 3 | **meet** | past | no human | a dinosaur |  |  | ever |  | vn meet-36.3-1 «NP V NP»: agent=Agent dinosaur=Co-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:history:061-how-we-got-here-the-big-steps-on-one-long-timeline.lesson:22`.

**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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