--- title: Stars are born inside huge, cold clouds of gas and dust called nebul… — How stars live · tree and pragmatics description: Stars are born inside huge, cold clouds of gas and dust called nebulae: a clump collapses under its own gravity, heats up and glows as a protostar hidden in dust, until fusion switches on in its core. Who acts: huge cold clouds, clump, fusion. A sentence of the lesson «How stars live» of the space c --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/space/18-how-stars-live/0/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Space](https://md.mova.elamur.ai/free/en/corpora/school/space/) / [How stars live](https://md.mova.elamur.ai/free/en/corpora/school/space/18-how-stars-live/) / 0 # How stars live, sentence 0 Stars are born inside huge, cold clouds of gas and dust called nebulae: a clump collapses under its own gravity, heats up and glows as a protostar hidden in dust, until fusion switches on in its core. **Who acts:** huge cold clouds, clump, fusion · **What happens:** bear, call, collapse, heat up, glow, hide · **To what, where:** Stars, nebulae, own gravity, protostar, dust, core · **Speech:** someone speaks here This is a sentence of the lesson «How stars live» 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 (huge cold clouds, clump, fusion), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:space:018-how-stars-live.lesson:0 # text = Stars are born inside huge, cold clouds of gas and dust called nebulae: a clump collapses under its own gravity, heats up and glows as a protostar hidden in dust, until fusion switches on in its core. # source = school lesson (ours) # course = space # lesson = 018-how-stars-live.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, R7-rel-agree ×2 1 Stars star NOUN NNS Number=Plur 3 nsubj:pass _ _ 2 are be AUX VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 3 aux:pass _ _ 3 born bear VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 0 root _ _ 4 inside inside ADV RB _ 3 advmod _ _ 5 huge huge ADJ JJ Degree=Pos 8 amod _ _ 6 , , PUNCT , _ 5 punct _ _ 7 cold cold ADJ JJ Degree=Pos 8 amod _ _ 8 clouds cloud NOUN NNS Number=Plur 3 obl _ _ 9 of of ADP IN _ 10 case _ _ 10 gas gas NOUN NN Number=Sing 8 nmod _ _ 11 and and CCONJ CC _ 12 cc _ _ 12 dust dust NOUN NN Number=Sing 10 conj _ _ 13 called call VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 8 acl _ Agree=R5-strong|Haiku=12:acl 14 nebulae nebula NOUN NNS Number=Plur 13 xcomp _ Agree=R7-rel-agree|Haiku=13:obj 15 : : PUNCT : _ 18 punct _ _ 16 a a DET DT Definite=Ind|PronType=Art 17 det _ Agree=R5-strong|Haiku=18:det 17 clump clump NOUN NN Number=Sing 18 nsubj _ _ 18 collapses collapse VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 3 parataxis _ _ 19 under under ADP IN _ 22 case _ _ 20 its its PRON PRP$ Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs 22 nmod:poss _ _ 21 own own ADJ JJ Degree=Pos 22 amod _ _ 22 gravity gravity NOUN NN Number=Sing 18 obl _ _ 23 , , PUNCT , _ 24 punct _ _ 24 heats heat VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 18 conj _ _ 25 up up ADP RP _ 24 compound:prt _ _ 26 and and CCONJ CC _ 27 cc _ _ 27 glows glow VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 24 conj _ _ 28 as as ADP IN _ 30 case _ _ 29 a a DET DT Definite=Ind|PronType=Art 30 det _ _ 30 protostar protostar NOUN NN Number=Sing 27 obl _ _ 31 hidden hide VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 30 acl _ _ 32 in in ADP IN _ 33 case _ _ 33 dust dust NOUN NN Number=Sing 31 obl _ _ 34 , , PUNCT , _ 37 punct _ _ 35 until until SCONJ IN _ 37 mark _ Agree=R7-rel-agree|Haiku=37:case|HaikuPos=ADP:IN:_ 36 fusion fusion NOUN NN Number=Sing 37 nsubj _ _ 37 switches switch VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 18 conj _ _ 38 on on ADP RP _ 37 compound:prt _ _ 39 in in ADP IN _ 41 case _ _ 40 its its PRON PRP$ Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs 41 nmod:poss _ _ 41 core core NOUN NN Number=Sing 37 obl _ _ 42 . . PUNCT . _ 3 punct _ _ ``` ## Pragmatics {#pragmatics} - form: statement - act: assert - voice: narrator - polarity: none - teacher: changed polarity=none | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **bear** | present · passive | | Stars | | | | huge cold clouds of gas and dust *obl*; inside *property* | vn birth-28.2-1-1 «NP V NP»: subject=Patient | | 2 | **call** | participle | huge cold clouds of gas and dust *not said here* | nebulae | | | | | vn initiate\_communication-37.4.2-1 «NP V»: agent=Agent | | 3 | **collapse** | present | a clump | | | clump's own gravity | | | vn other\_cos-45.4 «NP.patient V»: agent=Patient | | 4 | **heat up** | present | a clump *not said here* | | | | | | vn cooking-45.3 «NP.patient V»: agent=Patient | | 5 | **glow** | present | a clump *not said here* | | | | | as a protostar | vn light\_emission-43.1 «NP V»: agent=Theme | | 6 | **hide** | participle | | a protostar *not said here* | | dust | | | vn concealment-16-1 «NP V PP.location»: agent=Agent in dust=Location | | 7 | **switch on** | present | fusion | | | clump's core | | | vn convert-26.6.2-1-1 «NP V»: agent=Patient | | 8 | **cloud** | | | gas and dust | | | | | nom cloud «phenomenon transitive»: of=patient | 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. **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:018-how-stars-live.lesson:0`. **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, R7-rel-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/). - ← previous: [Stars: what they are, 15](https://md.mova.elamur.ai/free/en/corpora/school/space/17-stars-what-they-are/15/) - next →: [How stars live, 1](https://md.mova.elamur.ai/free/en/corpora/school/space/18-how-stars-live/1/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/space/18-how-stars-live/)