---
title: Each is different: Io is covered in erupting volcanoes, Europa hides… — Jupiter's moons · tree and pragmatics
description: Each is different: Io is covered in erupting volcanoes, Europa hides an ocean under its ice, Ganymede is the biggest moon of all, and Callisto is battered with craters. Who acts: Each, Europa, Ganymede. A sentence of the lesson «Jupiter's moons» of the space course of Mova's primary school with its 
---

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# Jupiter's moons, sentence 2

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Each is different: Io is covered in erupting volcanoes, Europa hides an ocean under its ice, Ganymede is the biggest moon of all, and Callisto is battered with craters.

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**Who acts:** Each, Europa, Ganymede · **What happens:** be, cover, erupt, hide, batter · **To what, where:** Io, ocean, ice, biggest moon, Callisto

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This is a sentence of the lesson «Jupiter's moons» of the space 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 (Each, Europa, Ganymede), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:space:011-jupiters-moons.lesson:2
# text = Each is different: Io is covered in erupting volcanoes, Europa hides an ocean under its ice, Ganymede is the biggest moon of all, and Callisto is battered with craters.
# source = school lesson (ours)
# course = space
# lesson = 011-jupiters-moons.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, R7-rel-agree ×1, R8-pos-agree ×2
1	Each	each	DET	DT	PronType=Tot	3	nsubj	_	Agree=R8-pos-agree|Haiku=3:nsubj|HaikuPos=PRON:DT:PronType=Tot
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	different	different	ADJ	JJ	Degree=Pos	0	root	_	_
4	:	:	PUNCT	:	_	3	punct	_	_
5	Io	Io	PROPN	NNP	Number=Sing	7	nsubj:pass	_	_
6	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	aux:pass	_	_
7	covered	cover	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	parataxis	_	Agree=R7-rel-agree|Haiku=3:advcl
8	in	in	ADP	IN	_	10	case	_	_
9	erupting	erupt	VERB	VBG	Tense=Pres|VerbForm=Part	10	amod	_	_
10	volcanoes	volcano	NOUN	NNS	Number=Plur	7	obl	_	_
11	,	,	PUNCT	,	_	13	punct	_	_
12	Europa	Europa	PROPN	NNP	Number=Sing	13	nsubj	_	_
13	hides	hide	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	conj	_	_
14	an	a	DET	DT	Definite=Ind|PronType=Art	15	det	_	_
15	ocean	ocean	NOUN	NN	Number=Sing	13	obj	_	_
16	under	under	ADP	IN	_	18	case	_	_
17	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	18	nmod:poss	_	_
18	ice	ice	NOUN	NN	Number=Sing	13	obl	_	Agree=R5-strong|Haiku=15:nmod
19	,	,	PUNCT	,	_	24	punct	_	_
20	Ganymede	Ganymede	PROPN	NNP	Number=Sing	24	nsubj	_	_
21	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	24	cop	_	_
22	the	the	DET	DT	Definite=Def|PronType=Art	24	det	_	_
23	biggest	big	ADJ	JJS	Degree=Sup	24	amod	_	_
24	moon	moon	NOUN	NN	Number=Sing	3	parataxis	_	_
25	of	of	ADP	IN	_	26	case	_	_
26	all	all	DET	DT	PronType=Tot	24	nmod	_	Agree=R8-pos-agree|Haiku=24:nmod|HaikuPos=PRON:DT:PronType=Tot
27	,	,	PUNCT	,	_	31	punct	_	_
28	and	and	CCONJ	CC	_	31	cc	_	_
29	Callisto	Callisto	PROPN	NNP	Number=Sing	31	nsubj:pass	_	_
30	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	31	aux:pass	_	_
31	battered	batter	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	conj	_	_
32	with	with	ADP	IN	_	33	case	_	_
33	craters	crater	NOUN	NNS	Number=Plur	31	obl	_	_
34	.	.	PUNCT	.	_	3	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 | **is** | present | Each |  |  |  |  | different *property* | tree rules |
| 2 | **cover** | present · passive |  | Io |  |  |  | in erupting volcanoes | vn fill-9.8-1 «NP V NP PP.theme»: subject=Destination in volcano=Theme |
| 3 | **erupt** | gerund |  |  |  |  |  |  | vn appear-48.1.1 «NP V»: agent=Theme |
| 4 | **hide** | present | Europa | a ocean |  | ocean's ice |  |  | vn concealment-16-1 «NP V NP PP.location»: agent=Agent ocean=Patient under ice=Location |
| 5 | **is a** | present | Ganymede | the biggest moon |  |  |  | of all | tree rules |
| 6 | **batter** | present · passive |  | Callisto |  |  |  | with craters | vn hit-18.1-1 «NP V NP PP.instrument»: subject=Patient with crater=Instrument |

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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:space:011-jupiters-moons.lesson:2`.

**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, R7-rel-agree ×1, R8-pos-agree ×2. **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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