---
title: At the end of its giant stage, a Sun-like star gently puffs off its… — How stars die · tree and pragmatics
description: At the end of its giant stage, a Sun-like star gently puffs off its outer layers as a glowing shell called a planetary nebula. Who acts: like star, glowing shell. A sentence of the lesson «How stars die» of the space course of Mova's primary school with its dependency tree and the pragmatics of ever
---

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# How stars die, sentence 7

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At the end of its giant stage, a Sun-like star gently puffs off its outer layers as a glowing shell called a planetary nebula.

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**Who acts:** like star, glowing shell · **What happens:** puff off, call · **To what, where:** outer layers, end, planetary nebula · **Speech:** someone speaks here

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This is a sentence of the lesson «How stars die» 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 (like star, glowing shell), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:space:019-how-stars-die.lesson:7
# text = At the end of its giant stage, a Sun-like star gently puffs off its outer layers as a glowing shell called a planetary nebula.
# source = school lesson (ours)
# course = space
# lesson = 019-how-stars-die.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
1	At	at	ADP	IN	_	3	case	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	end	end	NOUN	NN	Number=Sing	15	obl	_	_
4	of	of	ADP	IN	_	7	case	_	_
5	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	7	nmod:poss	_	_
6	giant	giant	ADJ	JJ	Degree=Pos	7	amod	_	_
7	stage	stage	NOUN	NN	Number=Sing	3	nmod	_	_
8	,	,	PUNCT	,	_	3	punct	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	13	det	_	_
10	Sun	Sun	PROPN	NNP	Number=Sing	12	compound	_	_
11	-	-	PUNCT	HYPH	_	12	punct	_	_
12	like	like	ADJ	JJ	Degree=Pos	13	amod	_	_
13	star	star	NOUN	NN	Number=Sing	15	nsubj	_	_
14	gently	gently	ADV	RB	_	15	advmod	_	_
15	puffs	puff	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
16	off	off	ADP	RP	_	15	compound:prt	_	_
17	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	19	nmod:poss	_	_
18	outer	outer	ADJ	JJ	Degree=Pos	19	amod	_	_
19	layers	layer	NOUN	NNS	Number=Plur	15	obj	_	_
20	as	as	ADP	IN	_	23	case	_	_
21	a	a	DET	DT	Definite=Ind|PronType=Art	23	det	_	_
22	glowing	glow	ADJ	JJ	Degree=Pos	23	amod	_	_
23	shell	shell	NOUN	NN	Number=Sing	15	obl	_	_
24	called	call	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	23	acl	_	_
25	a	a	DET	DT	Definite=Ind|PronType=Art	27	det	_	_
26	planetary	planetary	ADJ	JJ	Degree=Pos	27	amod	_	Agree=R7-rel-agree|Haiku=27:compound|HaikuPos=NOUN:NN:Number=Sing
27	nebula	nebula	NOUN	NN	Number=Sing	24	xcomp	_	_
28	.	.	PUNCT	.	_	15	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 | **puff off** | present | a like star | star's outer layers |  |  | at the end of end's giant stage | as a glowing shell; gently *property* | vn substance\_emission-43.4-1 «PP.location V NP»: agent=Location layer=Source |
| 2 | **call** | participle | a glowing shell *not said here* | a planetary nebula |  |  |  |  | vn initiate\_communication-37.4.2-1 «NP V»: agent=Agent |

<!-- .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:019-how-stars-die.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. **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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