---
title: The Earth is about 40,000 km around the equator, and the Greek schol… — Maps and scale · tree and pragmatics
description: The Earth is about 40,000 km around the equator, and the Greek scholar Eratosthenes estimated this size quite well around 240 BC. Who acts: Earth, Greek scholar. A sentence of the lesson «Maps and scale» of the geography course of Mova's primary school with its dependency tree and the pragmatics of 
---

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# Maps and scale, sentence 14

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The Earth is about 40,000 km around the equator, and the Greek scholar Eratosthenes estimated this size quite well around 240 BC.

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**Who acts:** Earth, Greek scholar · **What happens:** be, estimate · **To what, where:** 40,000 km, equator, size, 240

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This is a sentence of the lesson «Maps and scale» 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 (Earth, Greek scholar), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:geography:001-maps-and-scale.lesson:14
# text = The Earth is about 40,000 km around the equator, and the Greek scholar Eratosthenes estimated this size quite well around 240 BC.
# source = school lesson (ours)
# course = geography
# lesson = 001-maps-and-scale.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 ×1
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	Earth	Earth	PROPN	NNP	Number=Sing	6	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
4	about	about	ADV	RB	_	5	advmod	_	Agree=R5-strong|Haiku=6:advmod
5	40,000	40000	NUM	CD	NumForm=Digit|NumType=Card	6	nummod	_	_
6	km	km	NOUN	NN	Number=Sing	0	root	_	_
7	around	around	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	equator	equator	NOUN	NN	Number=Sing	6	nmod	_	_
10	,	,	PUNCT	,	_	16	punct	_	_
11	and	and	CCONJ	CC	_	16	cc	_	_
12	the	the	DET	DT	Definite=Def|PronType=Art	14	det	_	_
13	Greek	Greek	ADJ	JJ	Degree=Pos	14	amod	_	_
14	scholar	scholar	NOUN	NN	Number=Sing	16	nsubj	_	_
15	Eratosthenes	Eratosthenes	PROPN	NNP	Number=Sing	14	appos	_	_
16	estimated	estimate	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	6	conj	_	_
17	this	this	DET	DT	Number=Sing|PronType=Dem	18	det	_	_
18	size	size	NOUN	NN	Number=Sing	16	obj	_	_
19	quite	quite	ADV	RB	_	20	advmod	_	_
20	well	well	ADV	RB	Degree=Pos	16	advmod	_	_
21	around	around	ADP	IN	_	22	case	_	_
22	240	240	NUM	CD	NumForm=Digit|NumType=Card	16	obl	_	_
23	BC	BC	PROPN	NNP	Number=Sing	22	nmod:unmarked	_	_
24	.	.	PUNCT	.	_	6	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 | **is a** | present | the Earth | 40,000 km |  | the equator |  |  | tree rules |
| 2 | **estimate** | past | the Greek scholar | this size |  | 240  BC |  | well *property* | vn estimate-34.2-1 «NP V NP.value»: agent=Agent size=Value |

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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:001-maps-and-scale.lesson:14`.

**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 ×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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