---
title: Titan is the only moon with a thick atmosphere. — Saturn's moons · tree and pragmatics
description: Titan is the only moon with a thick atmosphere. Who acts: Titan. A sentence of the lesson «Saturn's moons» of the space course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Saturn's moons, sentence 7

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Titan is the only moon with a thick atmosphere.

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**Who acts:** Titan · **What happens:** be · **To what, where:** only moon

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This is a sentence of the lesson «Saturn'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 (Titan), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:space:013-saturns-moons.lesson:7
# text = Titan is the only moon with a thick atmosphere.
# source = school lesson (ours)
# course = space
# lesson = 013-saturns-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): no change
1	Titan	Titan	PROPN	NNP	Number=Sing	5	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
4	only	only	ADJ	JJ	Degree=Pos	5	amod	_	_
5	moon	moon	NOUN	NN	Number=Sing	0	root	_	_
6	with	with	ADP	IN	_	9	case	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
8	thick	thick	ADJ	JJ	Degree=Pos	9	amod	_	_
9	atmosphere	atmosphere	NOUN	NN	Number=Sing	5	nmod	_	_
10	.	.	PUNCT	.	_	5	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
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 | Titan | the only moon |  |  |  | with a thick atmosphere | tree rules |

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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:013-saturns-moons.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): no change. **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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