--- title: A bike pump gets warm because squashing air quickly warms it, and a… — Riding a bike: why it stays up · tree and pragmatics description: A bike pump gets warm because squashing air quickly warms it, and a pumped tyre is hard because many air molecules (tiny bits of air) push on the rubber. Who acts: bike pump, squashing, pumped tyre, many air molecules. A sentence of the lesson «Riding a bike: why it stays up» of the physics course o --- [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/15/) [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/) / 15 # Riding a bike: why it stays up, sentence 15 A bike pump gets warm because squashing air quickly warms it, and a pumped tyre is hard because many air molecules (tiny bits of air) push on the rubber. **Who acts:** bike pump, squashing, pumped tyre, many air molecules · **What happens:** get, squash, warm, pump, be, push · **To what, where:** air 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 (bike pump, squashing, pumped tyre, many air molecules), 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:15 # text = A bike pump gets warm because squashing air quickly warms it, and a pumped tyre is hard because many air molecules (tiny bits of air) push on the rubber. # 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 ×2, R6-punct-agree ×1, R7-rel-agree ×3 1 A a DET DT Definite=Ind|PronType=Art 3 det _ _ 2 bike bike NOUN NN Number=Sing 3 compound _ _ 3 pump pump NOUN NN Number=Sing 4 nsubj _ _ 4 gets get VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 5 warm warm ADJ JJ Degree=Pos 4 xcomp _ _ 6 because because SCONJ IN _ 10 mark _ _ 7 squashing squash VERB VBG VerbForm=Ger 10 csubj _ Agree=R7-rel-agree|Haiku=10:nsubj 8 air air NOUN NN Number=Sing 7 obj _ _ 9 quickly quickly ADV RB _ 10 advmod _ Agree=R5-strong|Haiku=7:advmod 10 warms warm VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 4 advcl _ _ 11 it it PRON PRP Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs 10 obj _ _ 12 , , PUNCT , _ 18 punct _ _ 13 and and CCONJ CC _ 18 cc _ _ 14 a a DET DT Definite=Ind|PronType=Art 16 det _ _ 15 pumped pump VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 16 amod _ _ 16 tyre tyre NOUN NN Number=Sing 18 nsubj _ _ 17 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 18 cop _ _ 18 hard hard ADJ JJ Degree=Pos 4 conj _ _ 19 because because SCONJ IN _ 29 mark _ _ 20 many many ADJ JJ Degree=Pos 22 amod _ Agree=R5-strong|Haiku=21:amod 21 air air NOUN NN Number=Sing 22 compound _ _ 22 molecules molecule NOUN NNS Number=Plur 29 nsubj _ _ 23 ( ( PUNCT -LRB- _ 25 punct _ _ 24 tiny tiny ADJ JJ Degree=Pos 25 amod _ _ 25 bits bit NOUN NNS Number=Plur 22 appos _ Agree=R7-rel-agree|Haiku=22:conj 26 of of ADP IN _ 27 case _ _ 27 air air NOUN NN Number=Sing 25 nmod _ _ 28 ) ) PUNCT -RRB- _ 25 punct _ Agree=R6-punct-agree|Haiku=18:punct 29 push push VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 18 advcl _ _ 30 on on ADP IN _ 32 case _ _ 31 the the DET DT Definite=Def|PronType=Art 32 det _ _ 32 rubber rubber NOUN NN Number=Sing 29 obl _ Agree=R7-rel-agree|Haiku=29:nmod 33 . . 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 | **get** | present | a bike pump | | | | | warm *property* | vn comprehend-87.2-1 «NP V S\_ING»: agent=Experiencer | | 2 | **squash** | gerund | | air | | | | | vn carve-21.2-1 «NP V NP»: agent=Agent air=Patient | | 3 | **warm** | present | squashing | air | | | | quickly *property* | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent it=Patient | | 4 | **pump** | participle | | | | | | | vn spray-9.7-1 «NP V PP.destination»: agent=Theme | | 5 | **is** | present | a pumped tyre | | | | | hard *property* | tree rules | | 6 | **push** | present | many air molecules | | | | | on the rubber | vn push-12-1-1 «NP V PP-Conative»: agent=Agent on rubber=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:15`. **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 ×2, R6-punct-agree ×1, R7-rel-agree ×3. **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, 14](https://md.mova.elamur.ai/free/en/corpora/school/physics/9-riding-a-bike/14/) - next →: [Riding a bike: why it stays up, 16](https://md.mova.elamur.ai/free/en/corpora/school/physics/9-riding-a-bike/16/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/physics/9-riding-a-bike/)