--- title: A moving bike stays up because the rider steers into any lean and br… — Riding a bike: why it stays up · tree and pragmatics description: 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. A sentence of the lesson «Riding a bike: why it stays up» of the physics course of Mova's primary school with its dependency tree and the pragmatics of --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/physics/9-riding-a-bike/5/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Physics](https://md.mova.elamur.ai/free/en/corpora/school/physics/) / [Riding a bike: why it stays up](https://md.mova.elamur.ai/free/en/corpora/school/physics/9-riding-a-bike/) / 5 # 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 {#tree} ```conllu # sent_id = school:physics:009-riding-a-bike.lesson:5 # text = A moving bike stays up because the rider steers into any lean and brings the wheels back under the centre of gravity. # source = school lesson (ours) # course = physics # lesson = 009-riding-a-bike.lesson # annotation = 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 1 A a DET DT Definite=Ind|PronType=Art 3 det _ _ 2 moving move VERB VBG Tense=Pres|VerbForm=Part 3 amod _ Agree=R8-pos-agree|Haiku=3:amod|HaikuPos=ADJ:JJ:Degree=Pos 3 bike bike NOUN NN Number=Sing 4 nsubj _ _ 4 stays stay VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 5 up up ADV RB _ 4 compound:prt _ Agree=R7-rel-agree|Haiku=4:advmod 6 because because SCONJ IN _ 9 mark _ _ 7 the the DET DT Definite=Def|PronType=Art 8 det _ _ 8 rider rider NOUN NN Number=Sing 9 nsubj _ _ 9 steers steer VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 4 advcl _ _ 10 into into ADP IN _ 12 case _ _ 11 any any DET DT PronType=Ind 12 det _ _ 12 lean lean NOUN NN Number=Sing 9 obl _ _ 13 and and CCONJ CC _ 14 cc _ _ 14 brings bring VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 9 conj _ Agree=R5-strong|Haiku=4:conj 15 the the DET DT Definite=Def|PronType=Art 16 det _ _ 16 wheels wheel NOUN NNS Number=Plur 14 obj _ _ 17 back back ADV RB _ 14 advmod _ _ 18 under under ADP IN _ 20 case _ _ 19 the the DET DT Definite=Def|PronType=Art 20 det _ _ 20 centre centre NOUN NN Number=Sing 14 obl _ _ 21 of of ADP IN _ 22 case _ _ 22 gravity gravity NOUN NN Number=Sing 20 nmod _ _ 23 . . PUNCT . _ 4 punct _ _ ``` ## Pragmatics {#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](https://creativecommons.org/licenses/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](https://md.mova.elamur.ai/free/en/releases/0.4/). - ← previous: [Riding a bike: why it stays up, 4](https://md.mova.elamur.ai/free/en/corpora/school/physics/9-riding-a-bike/4/) - next →: [Riding a bike: why it stays up, 6](https://md.mova.elamur.ai/free/en/corpora/school/physics/9-riding-a-bike/6/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/physics/9-riding-a-bike/)