---
title: About 66 million years ago an asteroid about 10 km wide hit Mexico a… — Deep time and the story of life · tree and pragmatics
description: About 66 million years ago an asteroid about 10 km wide hit Mexico and ended the age of non-bird dinosaurs. Who acts: asteroid. A sentence of the lesson «Deep time and the story of life» of the geography course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Deep time and the story of life, sentence 17

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About 66 million years ago an asteroid about 10 km wide hit Mexico and ended the age of non-bird dinosaurs.

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**Who acts:** asteroid · **What happens:** hit, end · **To what, where:** Mexico, age

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This is a sentence of the lesson «Deep time and the story of life» of the geography 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 (asteroid), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:geography:058-deep-time-and-the-story-of-life.lesson:17
# text = About 66 million years ago an asteroid about 10 km wide hit Mexico and ended the age of non-bird dinosaurs.
# source = school lesson (ours)
# course = geography
# lesson = 058-deep-time-and-the-story-of-life.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 ×4
1	About	about	ADV	RB	_	3	advmod	_	_
2	66	66	NUM	CD	NumForm=Digit|NumType=Card	3	compound	_	_
3	million	million	NUM	CD	NumForm=Word|NumType=Card	4	nummod	_	_
4	years	year	NOUN	NNS	Number=Plur	5	obl:unmarked	_	Agree=R5-strong|Haiku=12:obl:unmarked
5	ago	ago	ADV	RB	_	12	advmod	_	Agree=R5-strong|Haiku=4:advmod
6	an	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
7	asteroid	asteroid	NOUN	NN	Number=Sing	12	nsubj	_	_
8	about	about	ADV	RB	_	9	advmod	_	Agree=R5-strong|Haiku=10:case|HaikuPos=ADP:IN:_
9	10	10	NUM	CD	NumForm=Digit|NumType=Card	10	nummod	_	_
10	km	km	NOUN	NN	Number=Sing	11	obl	_	Agree=R5-strong|Haiku=7:nmod
11	wide	wide	ADJ	JJ	Degree=Pos	7	amod	_	_
12	hit	hit	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
13	Mexico	Mexico	PROPN	NNP	Number=Sing	12	obj	_	_
14	and	and	CCONJ	CC	_	15	cc	_	_
15	ended	end	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	12	conj	_	_
16	the	the	DET	DT	Definite=Def|PronType=Art	17	det	_	_
17	age	age	NOUN	NN	Number=Sing	15	obj	_	_
18	of	of	ADP	IN	_	20	case	_	_
19	non-bird	non-bird	ADJ	JJ	Degree=Pos	20	amod	_	_
20	dinosaurs	dinosaur	NOUN	NNS	Number=Plur	17	nmod	_	_
21	.	.	PUNCT	.	_	12	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **hit** | past | a asteroid | Mexico |  |  |  | ago *property* | vn contiguous\_location-47.8-1 «NP V NP»: agent=Theme mexico=Co-Theme |
| 2 | **end** | past | a asteroid *not said here* | the age of non-bird dinosaurs |  |  |  |  | vn stop-55.4-1-1 «NP V NP.eventuality»: agent=Subeventuality age=Eventuality |

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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:geography:058-deep-time-and-the-story-of-life.lesson:17`.

**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 ×4. **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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