Igneous rocks and the rock cycle, sentence 10
Obsidian is natural glass that forms when lava cools so fast that no crystals can grow.
Who acts: Obsidian, natural glass, lava, crystals · What happens: be, form, cool, grow · To what, where: natural glass
This is a sentence of the lesson «Igneous rocks and the rock cycle» 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 (Obsidian, natural glass, lava, crystals), 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 | Obsidian | Obsidian | PROPN | Number=Sing | 4 glass | nsubj |
| 2 | is | be | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 4 glass | cop |
| 3 | natural | natural | ADJ | Degree=Pos | 4 glass | amod |
| 4 | glass | glass | NOUN | Number=Sing | root | root |
| 5 | that | that | PRON | PronType=Rel | 6 forms | nsubj |
| 6 | forms | form | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 4 glass | acl:relcl |
| 7 | when | when | SCONJ | _ | 9 cools | mark |
| 8 | lava | lava | NOUN | Number=Sing | 9 cools | nsubj |
| 9 | cools | cool | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 6 forms | advcl |
| 10 | so | so | ADV | _ | 11 fast | advmod |
| 11 | fast | fast | ADV | Degree=Pos | 9 cools | advmod |
| 12 | that | that | SCONJ | _ | 16 grow | mark |
| 13 | no | no | DET | PronType=Neg | 14 crystals | det |
| 14 | crystals | crystal | NOUN | Number=Plur | 16 grow | nsubj |
| 15 | can | can | AUX | VerbForm=Fin | 16 grow | aux |
| 16 | grow | grow | VERB | VerbForm=Inf | 11 fast | ccomp |
| 17 | . | . | PUNCT | _ | 4 glass | punct |
Pragmatics
- form
- statement
- act
- assert
- voice
- narrator
- polarity
- none
- teacher
- kept the draft
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | is a | present | Obsidian | natural glass | tree rules | ||||
| 2 | form | present | natural glass | vn appear-48.1.1 «NP V»: agent=Theme | |||||
| 3 | cool | present | lava | fast property | vn other_cos-45.4 «NP.patient V»: agent=Patient | ||||
| 4 | grow | can | no crystals | vn appear-48.1.1 «NP V»: 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, 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:048-igneous-rocks-and-the-rock-cycle.lesson:10.
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): R8-pos-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.
This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/school/geography/48-igneous-rocks-and-the-rock-cycle/10/