Volcanoes: how and where, sentence 16
When a huge eruption empties the magma chamber, the ground above can collapse into a giant crater called a caldera.
Who acts: huge eruption, ground, giant crater · What happens: empty, collapse, call · To what, where: magma chamber, giant crater, caldera · Speech: someone speaks here
This is a sentence of the lesson «Volcanoes: how and where» of the geography 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 eruption, ground, giant crater), what happens, when and where, as Mova's frames read it from the tree.
The tree
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | When | when | SCONJ | _ | 5 empties | mark |
| 2 | a | a | DET | Definite=Ind PronType=Art | 4 eruption | det |
| 3 | huge | huge | ADJ | Degree=Pos | 4 eruption | amod |
| 4 | eruption | eruption | NOUN | Number=Sing | 5 empties | nsubj |
| 5 | empties | empty | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 14 collapse | advcl |
| 6 | the | the | DET | Definite=Def PronType=Art | 8 chamber | det |
| 7 | magma | magma | NOUN | Number=Sing | 8 chamber | compound |
| 8 | chamber | chamber | NOUN | Number=Sing | 5 empties | obj |
| 9 | , | , | PUNCT | _ | 11 ground | punct |
| 10 | the | the | DET | Definite=Def PronType=Art | 11 ground | det |
| 11 | ground | ground | NOUN | Number=Sing | 14 collapse | nsubj |
| 12 | above | above | ADV | _ | 11 ground | advmod |
| 13 | can | can | AUX | VerbForm=Fin | 14 collapse | aux |
| 14 | collapse | collapse | VERB | VerbForm=Inf | root | root |
| 15 | into | into | ADP | _ | 18 crater | case |
| 16 | a | a | DET | Definite=Ind PronType=Art | 18 crater | det |
| 17 | giant | giant | ADJ | Degree=Pos | 18 crater | amod |
| 18 | crater | crater | NOUN | Number=Sing | 14 collapse | obl |
| 19 | called | call | VERB | Tense=Past VerbForm=Part | 18 crater | acl |
| 20 | a | a | DET | Definite=Ind PronType=Art | 21 caldera | det |
| 21 | caldera | caldera | NOUN | Number=Sing | 19 called | xcomp |
| 22 | . | . | PUNCT | _ | 14 collapse | punct |
Pragmatics
No stored speech act for this sentence.
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | empty | present | a huge eruption | the magma chamber | vn clear-10.3-1 «NP V NP.source»: agent=Agent chamber=Source | ||||
| 2 | collapse | can | the ground | a giant crater | vn other_cos-45.4 «NP.patient V»: agent=Patient | ||||
| 3 | call | participle | a giant crater not said here | a caldera | vn initiate_communication-37.4.2-1 «NP V»: agent=Agent |
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, 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:geography:046-volcanoes-how-and-where.lesson:16.
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): no change. 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.
This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/school/geography/46-volcanoes-how-and-where/16/