Riding a bike: why it stays up, sentence 5
A moving bike stays up because the rider steers into any lean and brings the wheels back under the centre of gravity.
Who acts: moving bike, rider · What happens: move, stay up, steer, bring back · To what, where: lean, wheels, centre
This is a sentence of the lesson «Riding a bike: why it stays up» of the physics 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 (moving bike, rider), 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 | A | a | DET | Definite=Ind PronType=Art | 3 bike | det |
| 2 | moving | move | VERB | Tense=Pres VerbForm=Part | 3 bike | amod |
| 3 | bike | bike | NOUN | Number=Sing | 4 stays | nsubj |
| 4 | stays | stay | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 5 | up | up | ADV | _ | 4 stays | compound:prt |
| 6 | because | because | SCONJ | _ | 9 steers | mark |
| 7 | the | the | DET | Definite=Def PronType=Art | 8 rider | det |
| 8 | rider | rider | NOUN | Number=Sing | 9 steers | nsubj |
| 9 | steers | steer | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 4 stays | advcl |
| 10 | into | into | ADP | _ | 12 lean | case |
| 11 | any | any | DET | PronType=Ind | 12 lean | det |
| 12 | lean | lean | NOUN | Number=Sing | 9 steers | obl |
| 13 | and | and | CCONJ | _ | 14 brings | cc |
| 14 | brings | bring | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 9 steers | conj |
| 15 | the | the | DET | Definite=Def PronType=Art | 16 wheels | det |
| 16 | wheels | wheel | NOUN | Number=Plur | 14 brings | obj |
| 17 | back | back | ADV | _ | 14 brings | advmod |
| 18 | under | under | ADP | _ | 20 centre | case |
| 19 | the | the | DET | Definite=Def PronType=Art | 20 centre | det |
| 20 | centre | centre | NOUN | Number=Sing | 14 brings | obl |
| 21 | of | of | ADP | _ | 22 gravity | case |
| 22 | gravity | gravity | NOUN | Number=Sing | 20 centre | nmod |
| 23 | . | . | PUNCT | _ | 4 stays | punct |
Pragmatics
No stored speech act for this sentence.
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | move | gerund | vn roll-51.3.1 «NP.theme V»: agent=Theme | ||||||
| 2 | stay up | present | a moving bike | vn exist-47.1 «NP V»: agent=Theme | |||||
| 3 | steer | present | the rider | any lean | vn accompany-51.7 «NP V NP PP.destination»: agent=Agent into lean=Destination | ||||
| 4 | bring back | present | the rider not said here | the wheels | the centre of gravity | vn bring-11.3-1 «NP V NP together»: agent=Agent wheel=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:physics:009-riding-a-bike.lesson:5.
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, 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/physics/9-riding-a-bike/5/