Trains and the Underground, sentence 2
Steel wheels on smooth steel rails roll with very little friction, the rubbing that slows things down.
Who acts: Steel wheels, rubbing · What happens: roll, slow down · To what, where: things
This is a sentence of the lesson «Trains and the Underground» of the technology 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 (Steel wheels, rubbing), 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 | Steel | steel | NOUN | Number=Sing | 2 wheels | compound |
| 2 | wheels | wheel | NOUN | Number=Plur | 7 roll | nsubj |
| 3 | on | on | ADP | _ | 6 rails | case |
| 4 | smooth | smooth | ADJ | Degree=Pos | 6 rails | amod |
| 5 | steel | steel | NOUN | Number=Sing | 6 rails | compound |
| 6 | rails | rail | NOUN | Number=Plur | 2 wheels | nmod |
| 7 | roll | roll | VERB | Mood=Ind Tense=Pres VerbForm=Fin | root | root |
| 8 | with | with | ADP | _ | 11 friction | case |
| 9 | very | very | ADV | _ | 10 little | advmod |
| 10 | little | little | ADJ | Degree=Pos | 11 friction | amod |
| 11 | friction | friction | NOUN | Number=Sing | 7 roll | obl |
| 12 | , | , | PUNCT | _ | 14 rubbing | punct |
| 13 | the | the | DET | Definite=Def PronType=Art | 14 rubbing | det |
| 14 | rubbing | rubbing | NOUN | Number=Sing | 11 friction | appos |
| 15 | that | that | PRON | PronType=Rel | 16 slows | nsubj |
| 16 | slows | slow | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 14 rubbing | acl:relcl |
| 17 | things | thing | NOUN | Number=Plur | 16 slows | obj |
| 18 | down | down | ADP | _ | 16 slows | compound:prt |
| 19 | . | . | PUNCT | _ | 7 roll | punct |
Pragmatics
No stored speech act for this sentence.
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | roll | present | Steel wheels on smooth steel rails | with little friction | vn sound_emission-43.2 «NP.location V PP.theme»: agent=Location with friction=Theme | ||||
| 2 | slow down | present | the rubbing | things | vn other_cos-45.4 «NP V NP.patient»: agent=Agent thing=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:technology:021-trains-and-the-underground.lesson:2.
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.
This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/school/technology/21-trains-and-the-underground/2/