--- title: Runny lava lets gas escape gently, so it flows out in rivers, as in… — Volcanoes and earthquakes up close · tree and pragmatics description: Runny lava lets gas escape gently, so it flows out in rivers, as in Hawaii; thick, sticky lava traps the gas until it blasts out in an explosion of ash and rock, as at Mount Vesuvius, which buried the Roman town of Pompeii in the year 79. Who acts: Runny lava, gas, thick sticky lava, Mount Vesuvius. --- [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/3/) [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/) / 3 # Volcanoes and earthquakes up close, sentence 3 Runny lava lets gas escape gently, so it flows out in rivers, as in Hawaii; thick, sticky lava traps the gas until it blasts out in an explosion of ash and rock, as at Mount Vesuvius, which buried the Roman town of Pompeii in the year 79. **Who acts:** Runny lava, gas, thick sticky lava, Mount Vesuvius · **What happens:** let, escape, flow out, trap, blast out, bury · **To what, where:** gas, rivers, explosion, Roman town, ash 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 (Runny lava, gas, thick sticky lava, Mount Vesuvius), 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:3 # text = Runny lava lets gas escape gently, so it flows out in rivers, as in Hawaii; thick, sticky lava traps the gas until it blasts out in an explosion of ash and rock, as at Mount Vesuvius, which buried the Roman town of Pompeii in the year 79. # 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): R6-punct-agree ×1, R7-rel-agree ×1 1 Runny runny ADJ JJ Degree=Pos 2 amod _ _ 2 lava lava NOUN NN Number=Sing 3 nsubj _ _ 3 lets let VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 10 parataxis _ _ 4 gas gas NOUN NN Number=Sing 3 obj _ _ 5 escape escape VERB VB VerbForm=Inf 3 xcomp _ _ 6 gently gently ADV RB _ 5 advmod _ _ 7 , , PUNCT , _ 6 punct _ _ 8 so so ADV RB _ 10 advmod _ _ 9 it it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 10 nsubj _ _ 10 flows flow VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 11 out out ADP RP _ 10 compound:prt _ _ 12 in in ADP IN _ 13 case _ _ 13 rivers river NOUN NNS Number=Plur 10 obl _ _ 14 , , PUNCT , _ 17 punct _ _ 15 as as ADP IN _ 17 case _ _ 16 in in ADP IN _ 17 case _ _ 17 Hawaii Hawaii PROPN NNP Number=Sing 13 appos _ _ 18 ; ; PUNCT , _ 23 punct _ _ 19 thick thick ADJ JJ Degree=Pos 22 amod _ _ 20 , , PUNCT , _ 19 punct _ _ 21 sticky sticky ADJ JJ Degree=Pos 22 amod _ _ 22 lava lava NOUN NN Number=Sing 23 nsubj _ _ 23 traps trap VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 10 conj _ _ 24 the the DET DT Definite=Def|PronType=Art 25 det _ _ 25 gas gas NOUN NN Number=Sing 23 obj _ _ 26 until until SCONJ IN _ 28 mark _ _ 27 it it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 28 nsubj _ _ 28 blasts blast VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 23 advcl _ _ 29 out out ADV RB _ 28 advmod _ _ 30 in in ADP IN _ 32 case _ _ 31 an a DET DT Definite=Ind|PronType=Art 32 det _ _ 32 explosion explosion NOUN NN Number=Sing 28 obl _ _ 33 of of ADP IN _ 34 case _ _ 34 ash ash NOUN NN Number=Sing 32 nmod _ _ 35 and and CCONJ CC _ 36 cc _ _ 36 rock rock NOUN NN Number=Sing 34 conj _ _ 37 , , PUNCT , _ 41 punct _ _ 38 as as ADP IN _ 41 case _ _ 39 at at ADP IN _ 41 case _ _ 40 Mount Mount PROPN NNP Number=Sing 41 compound _ _ 41 Vesuvius Vesuvius PROPN NNP Number=Sing 10 obl _ _ 42 , , PUNCT , _ 44 punct _ _ 43 which which PRON WDT PronType=Rel 44 nsubj _ _ 44 buried bury VERB VBD Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin 41 parataxis _ _ 45 the the DET DT Definite=Def|PronType=Art 47 det _ _ 46 Roman roman ADJ JJ Degree=Pos 47 amod _ Agree=R7-rel-agree|Haiku=47:compound|HaikuPos=PROPN:NNP:Number=Sing 47 town town NOUN NN Number=Sing 44 obj _ _ 48 of of ADP IN _ 49 case _ _ 49 Pompeii Pompeii PROPN NNP Number=Sing 47 nmod _ _ 50 in in ADP IN _ 52 case _ _ 51 the the DET DT Definite=Def|PronType=Art 52 det _ _ 52 year year NOUN NN Number=Sing 44 obl _ _ 53 79 79 NUM CD NumForm=Digit|NumType=Card 52 flat _ _ 54 . . PUNCT . _ 3 punct _ Agree=R6-punct-agree|Haiku=10:punct ``` ## Pragmatics {#pragmatics} - form: statement - act: narrate - voice: narrator - polarity: none - teacher: kept the draft | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **let** | present | Runny lava | gas | | | | | tree rules | | 2 | **escape** | infinitive | gas *not said here* | | | | | gently *property* | vn escape-51.1-1-1 «NP V»: agent=Theme | | 3 | **flow out** | present | gas | | | rivers | | as Mount Vesuvius | vn appear-48.1.1 «NP V PP.location»: agent=Theme in river=Location | | 4 | **trap** | present | thick sticky lava | the gas | | | | | vn trick-59.2 «NP V NP»: agent=Agent gas=Patient | | 5 | **blast out** | present | gas | | | a explosion of ash and rock | | out *property* | vn sound\_emission-43.2 «NP V PP.location»: agent=Theme in explosion=Location | | 6 | **bury** | past | Mount Vesuvius | the Roman town of Pompeii | | | year | | vn put-9.1-1 «NP V NP»: agent=Agent town=Theme | | 7 | **explode** | | | ash and rock | | | | | nom explosion «event 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:world:062-volcanoes-and-earthquakes.lesson:3`. **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): R6-punct-agree ×1, 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/). - ← previous: [Volcanoes and earthquakes up close, 2](https://md.mova.elamur.ai/free/en/corpora/school/world/62-volcanoes-and-earthquakes/2/) - next →: [Volcanoes and earthquakes up close, 4](https://md.mova.elamur.ai/free/en/corpora/school/world/62-volcanoes-and-earthquakes/4/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/world/62-volcanoes-and-earthquakes/)