Tarnish and how metals change, sentence 16
Sodium metal reacts with air within seconds, so laboratories keep it under oil.
Who acts: Sodium metal, laboratories · What happens: react, keep · To what, where: metal, oil
This is a sentence of the lesson «Tarnish and how metals change» of the chemistry 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 (Sodium metal, laboratories), 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 | Sodium | sodium | NOUN | Number=Sing | 2 metal | compound |
| 2 | metal | metal | NOUN | Number=Sing | 3 reacts | nsubj |
| 3 | reacts | react | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 4 | with | with | ADP | _ | 5 air | case |
| 5 | air | air | NOUN | Number=Sing | 3 reacts | obl |
| 6 | within | within | ADP | _ | 7 seconds | case |
| 7 | seconds | second | NOUN | Number=Plur | 3 reacts | obl |
| 8 | , | , | PUNCT | _ | 11 keep | punct |
| 9 | so | so | ADV | _ | 11 keep | advmod |
| 10 | laboratories | laboratory | NOUN | Number=Plur | 11 keep | nsubj |
| 11 | keep | keep | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 3 reacts | conj |
| 12 | it | it | PRON | Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs | 11 keep | obj |
| 13 | under | under | ADP | _ | 14 oil | case |
| 14 | oil | oil | NOUN | Number=Sing | 11 keep | obl |
| 15 | . | . | PUNCT | _ | 3 reacts | punct |
Pragmatics
No stored speech act for this sentence.
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | react | present | Sodium metal | second | with air | vn respond-113 «NP V PP.predicate»: agent=Agent with air=Eventuality | |||
| 2 | keep | present | laboratories | metal | oil | vn keep-15.2 «NP V NP PP.location»: agent=Agent it=Theme under oil=Location |
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:chemistry:014-tarnish-and-how-metals-change.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/chemistry/14-tarnish-and-how-metals-change/16/