Plastics: useful and stubborn, sentence 12
Rubber is a natural polymer from the sap of rubber trees; its chains are joined by links that pull it back into shape after stretching.
Who acts: Rubber, links · What happens: be, join, pull back, stretch · To what, where: natural polymer, sap, chains, chain, shape
This is a sentence of the lesson «Plastics: useful and stubborn» 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 (Rubber, links), 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 | Rubber | rubber | NOUN | Number=Sing | 5 polymer | nsubj |
| 2 | is | be | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 5 polymer | cop |
| 3 | a | a | DET | Definite=Ind PronType=Art | 5 polymer | det |
| 4 | natural | natural | ADJ | Degree=Pos | 5 polymer | amod |
| 5 | polymer | polymer | NOUN | Number=Sing | root | root |
| 6 | from | from | ADP | _ | 8 sap | case |
| 7 | the | the | DET | Definite=Def PronType=Art | 8 sap | det |
| 8 | sap | sap | NOUN | Number=Sing | 5 polymer | nmod |
| 9 | of | of | ADP | _ | 11 trees | case |
| 10 | rubber | rubber | NOUN | Number=Sing | 11 trees | compound |
| 11 | trees | tree | NOUN | Number=Plur | 8 sap | nmod |
| 12 | ; | ; | PUNCT | _ | 16 joined | punct |
| 13 | its | its | PRON | Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs | 14 chains | nmod:poss |
| 14 | chains | chain | NOUN | Number=Plur | 16 joined | nsubj:pass |
| 15 | are | be | AUX | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 16 joined | aux:pass |
| 16 | joined | join | VERB | Tense=Past VerbForm=Part Voice=Pass | 5 polymer | parataxis |
| 17 | by | by | ADP | _ | 18 links | case |
| 18 | links | link | NOUN | Number=Plur | 16 joined | obl |
| 19 | that | that | PRON | PronType=Rel | 20 pull | nsubj |
| 20 | pull | pull | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 18 links | acl:relcl |
| 21 | it | it | PRON | Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs | 20 pull | obj |
| 22 | back | back | ADV | _ | 20 pull | advmod |
| 23 | into | into | ADP | _ | 24 shape | case |
| 24 | shape | shape | NOUN | Number=Sing | 20 pull | obl |
| 25 | after | after | SCONJ | _ | 26 stretching | mark |
| 26 | stretching | stretch | VERB | Tense=Pres VerbForm=Part | 20 pull | advcl |
| 27 | . | . | PUNCT | _ | 5 polymer | punct |
Pragmatics
No stored speech act for this sentence.
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | is a | present | Rubber | a natural polymer | the sap of rubber trees | tree rules | |||
| 2 | join | present · passive | links | rubber's chains | vn mix-22.1-2-1 «NP V NP»: agent=Agent subject=Patient | ||||
| 3 | pull back | present | links | chain | shape | vn push-12-1 «NP V NP»: agent=Agent it=Theme | |||
| 4 | stretch | gerund | links not said here | vn bend-45.2 «NP.patient V»: agent=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, 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:029-plastics-useful-stubborn.lesson:12.
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 ×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.
This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/school/chemistry/29-plastics-useful-stubborn/12/