---
title: Most of the gas fell into the middle, which got so hot and squashed… — How the Solar System was born · tree and pragmatics
description: Most of the gas fell into the middle, which got so hot and squashed that fusion switched on: the Sun was born. Who acts: Most, middle, fusion. A sentence of the lesson «How the Solar System was born» of the space course of Mova's primary school with its dependency tree and the pragmatics of every cl
---

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# How the Solar System was born, sentence 2

<!-- .ven lang=en -->
Most of the gas fell into the middle, which got so hot and squashed that fusion switched on: the Sun was born.

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**Who acts:** Most, middle, fusion · **What happens:** fall, get, squash, switch on, bear · **To what, where:** middle, Sun

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This is a sentence of the lesson «How the Solar System was born» 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 (Most, middle, fusion), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:space:002-how-the-solar-system-was-born.lesson:2
# text = Most of the gas fell into the middle, which got so hot and squashed that fusion switched on: the Sun was born.
# source = school lesson (ours)
# course = space
# lesson = 002-how-the-solar-system-was-born.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 ×2
1	Most	most	ADJ	JJS	Degree=Sup	5	nsubj	_	_
2	of	of	ADP	IN	_	4	case	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	gas	gas	NOUN	NN	Number=Sing	1	nmod	_	_
5	fell	fall	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
6	into	into	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	middle	middle	NOUN	NN	Number=Sing	5	obl	_	_
9	,	,	PUNCT	,	_	11	punct	_	_
10	which	which	PRON	WDT	PronType=Rel	11	nsubj	_	_
11	got	get	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	8	acl:relcl	_	_
12	so	so	ADV	RB	_	13	advmod	_	_
13	hot	hot	ADJ	JJ	Degree=Pos	11	xcomp	_	_
14	and	and	CCONJ	CC	_	15	cc	_	_
15	squashed	squash	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	11	conj	_	_
16	that	that	SCONJ	IN	_	18	mark	_	Agree=R5-strong|Haiku=17:det|HaikuPos=DET:DT:Number=Sing|PronType=Dem
17	fusion	fusion	NOUN	NN	Number=Sing	18	nsubj	_	Agree=R5-strong|Haiku=15:obj
18	switched	switch	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	15	xcomp	_	_
19	on	on	ADP	RP	_	18	compound:prt	_	_
20	:	:	PUNCT	:	_	24	punct	_	_
21	the	the	DET	DT	Definite=Def|PronType=Art	22	det	_	_
22	Sun	Sun	PROPN	NNP	Number=Sing	24	nsubj:pass	_	_
23	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	24	aux:pass	_	_
24	born	bear	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	18	advcl	_	_
25	.	.	PUNCT	.	_	5	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **fall** | past | Most of the gas |  |  |  |  | into the middle *result* | vn become-109.1-1 «NP V PP.attribute»: agent=Patient into middle=Result |
| 2 | **get** | past | the middle |  |  |  |  | hot *property* | vn comprehend-87.2-1 «NP V S\_ING»: agent=Experiencer |
| 3 | **squash** | past | the middle *not said here* |  |  |  |  |  | tree rules |
| 4 | **switch on** | participle | fusion |  |  |  |  |  | vn convert-26.6.2-1-1 «NP V»: agent=Patient |
| 5 | **bear** | past · passive |  | the Sun |  |  |  |  | vn birth-28.2-1-1 «NP V NP»: subject=Patient |

<!-- .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:space:002-how-the-solar-system-was-born.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 ×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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