---
title: Educated people in Europe knew the Earth was round since ancient Gre… — Explorers, scientists and inventors · tree and pragmatics
description: Educated people in Europe knew the Earth was round since ancient Greek times; Eratosthenes estimated its size more than 2,200 years ago. Who acts: Educated people, Earth, Eratosthenes. A sentence of the lesson «Explorers, scientists and inventors» of the myths course of Mova's primary school with it
---

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# Explorers, scientists and inventors, sentence 7

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Educated people in Europe knew the Earth was round since ancient Greek times; Eratosthenes estimated its size more than 2,200 years ago.

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**Who acts:** Educated people, Earth, Eratosthenes · **What happens:** educated, know, be, estimate · **To what, where:** size · **Speech:** someone speaks here

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This is a sentence of the lesson «Explorers, scientists and inventors» of the myths 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 (Educated people, Earth, Eratosthenes), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:myths:020-explorers-scientists-and-inventors.lesson:7
# text = Educated people in Europe knew the Earth was round since ancient Greek times; Eratosthenes estimated its size more than 2,200 years ago.
# source = school lesson (ours)
# course = myths
# lesson = 020-explorers-scientists-and-inventors.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, R8-pos-agree ×1
1	Educated	educated	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	2	amod	_	Agree=R8-pos-agree|Haiku=2:amod|HaikuPos=ADJ:JJ:Degree=Pos
2	people	people	NOUN	NNS	Number=Plur	5	nsubj	_	_
3	in	in	ADP	IN	_	4	case	_	_
4	Europe	Europe	PROPN	NNP	Number=Sing	2	nmod	_	_
5	knew	know	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	Earth	Earth	PROPN	NNP	Number=Sing	9	nsubj	_	_
8	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	9	cop	_	_
9	round	round	ADJ	JJ	Degree=Pos	5	ccomp	_	_
10	since	since	ADP	IN	_	13	case	_	_
11	ancient	ancient	ADJ	JJ	Degree=Pos	13	amod	_	_
12	Greek	Greek	ADJ	JJ	Degree=Pos	13	amod	_	_
13	times	time	NOUN	NNS	Number=Plur	9	obl	_	_
14	;	;	PUNCT	:	_	16	punct	_	_
15	Eratosthenes	Eratosthenes	PROPN	NNP	Number=Sing	16	nsubj	_	_
16	estimated	estimate	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	5	parataxis	_	Agree=R7-rel-agree|Haiku=5:conj
17	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	18	nmod:poss	_	_
18	size	size	NOUN	NN	Number=Sing	16	obj	_	_
19	more	more	ADJ	JJR	Degree=Cmp|ExtPos=ADV	21	advmod	_	_
20	than	than	ADP	IN	_	19	fixed	_	_
21	2,200	2,200	NUM	CD	NumForm=Digit|NumType=Card	22	nummod	_	_
22	years	year	NOUN	NNS	Number=Plur	23	obl:unmarked	_	_
23	ago	ago	ADV	RB	_	16	advmod	_	_
24	.	.	PUNCT	.	_	5	punct	_	_
```

## Pragmatics {#pragmatics}

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No stored speech act for this sentence.

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **educated** | participle |  |  |  |  |  |  | tree rules |
| 2 | **know** | past | Educated people in Europe |  |  |  |  |  | vn comprehend-87.2-1-1-1 «NP V»: agent=Experiencer |
| 3 | **is** | past | the Earth |  |  |  | time | round *property* | tree rules |
| 4 | **estimate** | past | Eratosthenes | Earth's size |  |  |  | ago *property* | vn estimate-34.2-1 «NP V NP.value»: agent=Agent size=Value |

<!-- .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:myths:020-explorers-scientists-and-inventors.lesson:7`.

**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, 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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