--- title: A volcano erupts when magma, which is lighter than the solid rock ar… — Volcanoes and earthquakes up close · tree and pragmatics description: A volcano erupts when magma, which is lighter than the solid rock around it and full of dissolved gas, rises into a chamber under the mountain; as it nears the surface the gas comes out of it in bubbles, like the gas in a shaken bottle of fizzy drink when the cap comes off. Who acts: volcano, magma, --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/world/62-volcanoes-and-earthquakes/2/) [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/) / [World](https://md.mova.elamur.ai/free/en/corpora/school/world/) / [Volcanoes and earthquakes up close](https://md.mova.elamur.ai/free/en/corpora/school/world/62-volcanoes-and-earthquakes/) / 2 # Volcanoes and earthquakes up close, sentence 2 A volcano erupts when magma, which is lighter than the solid rock around it and full of dissolved gas, rises into a chamber under the mountain; as it nears the surface the gas comes out of it in bubbles, like the gas in a shaken bottle of fizzy drink when the cap comes off. **Who acts:** volcano, magma, gas, cap · **What happens:** erupt, be, dissolve, rise, near, come out · **To what, where:** chamber, surface, magma, bubbles This is a sentence of the lesson «Volcanoes and earthquakes up close» of the world 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 (volcano, magma, gas, cap), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:world:062-volcanoes-and-earthquakes.lesson:2 # text = A volcano erupts when magma, which is lighter than the solid rock around it and full of dissolved gas, rises into a chamber under the mountain; as it nears the surface the gas comes out of it in bubbles, like the gas in a shaken bottle of fizzy drink when the cap comes off. # source = school lesson (ours) # course = world # lesson = 062-volcanoes-and-earthquakes.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 A a DET DT Definite=Ind|PronType=Art 2 det _ _ 2 volcano volcano NOUN NN Number=Sing 3 nsubj _ _ 3 erupts erupt VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 4 when when ADV WRB PronType=Int 22 advmod _ _ 5 magma magma NOUN NN Number=Sing 22 nsubj _ _ 6 , , PUNCT , _ 9 punct _ _ 7 which which PRON WDT PronType=Rel 9 nsubj _ _ 8 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 9 cop _ _ 9 lighter light ADJ JJR Degree=Cmp 5 acl:relcl _ _ 10 than than ADP IN _ 13 case _ _ 11 the the DET DT Definite=Def|PronType=Art 13 det _ _ 12 solid solid ADJ JJ Degree=Pos 13 amod _ _ 13 rock rock NOUN NN Number=Sing 9 obl _ _ 14 around around ADP IN _ 15 case _ _ 15 it it PRON PRP Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs 13 nmod _ Agree=R5-strong|Haiku=9:obl 16 and and CCONJ CC _ 17 cc _ _ 17 full full ADJ JJ Degree=Pos 9 conj _ _ 18 of of ADP IN _ 20 case _ _ 19 dissolved dissolve VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 20 amod _ _ 20 gas gas NOUN NN Number=Sing 17 obl _ _ 21 , , PUNCT , _ 22 punct _ _ 22 rises rise VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 3 advcl _ _ 23 into into ADP IN _ 25 case _ _ 24 a a DET DT Definite=Ind|PronType=Art 25 det _ _ 25 chamber chamber NOUN NN Number=Sing 22 obl _ _ 26 under under ADP IN _ 28 case _ _ 27 the the DET DT Definite=Def|PronType=Art 28 det _ _ 28 mountain mountain NOUN NN Number=Sing 25 nmod _ _ 29 ; ; PUNCT , _ 32 punct _ _ 30 as as SCONJ IN _ 32 mark _ _ 31 it it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 32 nsubj _ _ 32 nears near VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 22 conj _ _ 33 the the DET DT Definite=Def|PronType=Art 34 det _ _ 34 surface surface NOUN NN Number=Sing 32 obj _ _ 35 the the DET DT Definite=Def|PronType=Art 36 det _ _ 36 gas gas NOUN NN Number=Sing 37 nsubj _ _ 37 comes come VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 34 acl:relcl _ _ 38 out out ADP IN _ 40 case _ _ 39 of of ADP IN _ 40 case _ _ 40 it it PRON PRP Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs 37 obl _ _ 41 in in ADP IN _ 42 case _ _ 42 bubbles bubble NOUN NNS Number=Plur 37 obl _ _ 43 , , PUNCT , _ 46 punct _ _ 44 like like ADP IN _ 46 case _ _ 45 the the DET DT Definite=Def|PronType=Art 46 det _ _ 46 gas gas NOUN NN Number=Sing 37 obl _ Agree=R5-strong|Haiku=32:obl 47 in in ADP IN _ 50 case _ _ 48 a a DET DT Definite=Ind|PronType=Art 50 det _ _ 49 shaken shake VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 50 amod _ _ 50 bottle bottle NOUN NN Number=Sing 46 nmod _ _ 51 of of ADP IN _ 53 case _ _ 52 fizzy fizzy ADJ JJ Degree=Pos 53 amod _ _ 53 drink drink NOUN NN Number=Sing 50 nmod _ _ 54 when when ADV WRB PronType=Int 57 advmod _ _ 55 the the DET DT Definite=Def|PronType=Art 56 det _ _ 56 cap cap NOUN NN Number=Sing 57 nsubj _ _ 57 comes come VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 32 advcl _ _ 58 off off ADP RP _ 57 compound:prt _ _ 59 . . PUNCT . _ 3 punct _ _ ``` ## Pragmatics {#pragmatics} No stored speech act for this sentence. | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **erupt** | present | a volcano | | | | | | vn appear-48.1.1 «NP V»: agent=Theme | | 2 | **is** | present | magma | | | | | than the solid rock around magma; light *property* | tree rules | | 3 | **be** | | magma *not said here* | | | | | of dissolved gas | tree rules | | 4 | **dissolve** | participle | | | | | | | vn break-45.1 «NP.patient V»: agent=Patient | | 5 | **rise** | present | magma | | | a chamber under the mountain | | | vn escape-51.1-1 «NP V PP.initial\_location»: agent=Theme into chamber=Initial\_Location | | 6 | **near** | present | magma | the surface | | | | | tree rules | | 7 | **come out** | present | the gas | magma | | bubbles | | like the gas in a shaken bottle of fizzy drink | vn become-109.1 «NP V ADJ»: agent=Patient it=Result | | 8 | **shake** | participle | | | | | | | vn shake-22.3-2 «NP V ADV-Middle»: agent=Patient | | 9 | **come off** | present | the cap | | | | | | vn occur-48.3-2 «NP V ADV»: agent=Theme | 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:world:062-volcanoes-and-earthquakes.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/). - ← previous: [Volcanoes and earthquakes up close, 1](https://md.mova.elamur.ai/free/en/corpora/school/world/62-volcanoes-and-earthquakes/1/) - next →: [Volcanoes and earthquakes up close, 3](https://md.mova.elamur.ai/free/en/corpora/school/world/62-volcanoes-and-earthquakes/3/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/world/62-volcanoes-and-earthquakes/)