--- title: A spacecraft coming home glows red hot mostly because the air in fro… — Living with friction: oil, wheels and grip · tree and pragmatics description: A spacecraft coming home glows red hot mostly because the air in front is squeezed and heats up, so it needs a heat shield. Who acts: spacecraft, air. A sentence of the lesson «Living with friction: oil, wheels and grip» of the physics course of Mova's primary school with its dependency tree and the --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/physics/7-living-with-friction/13/) [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/) / [Living with friction: oil, wheels and…](https://md.mova.elamur.ai/free/en/corpora/school/physics/7-living-with-friction/) / 13 # Living with friction: oil, wheels and grip, sentence 13 A spacecraft coming home glows red hot mostly because the air in front is squeezed and heats up, so it needs a heat shield. **Who acts:** spacecraft, air · **What happens:** come, glow, squeeze, heat up, need · **To what, where:** air, heat shield This is a sentence of the lesson «Living with friction: oil, wheels and grip» 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 (spacecraft, air), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:physics:007-living-with-friction.lesson:13 # text = A spacecraft coming home glows red hot mostly because the air in front is squeezed and heats up, so it needs a heat shield. # source = school lesson (ours) # course = physics # lesson = 007-living-with-friction.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): R7-rel-agree ×1 1 A a DET DT Definite=Ind|PronType=Art 2 det _ _ 2 spacecraft spacecraft NOUN NN Number=Sing 5 nsubj _ _ 3 coming come VERB VBG VerbForm=Ger 2 acl _ _ 4 home home ADV RB _ 3 advmod _ _ 5 glows glow VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 6 red red ADV RB _ 7 advmod _ _ 7 hot hot ADJ JJ Degree=Pos 5 xcomp _ _ 8 mostly mostly ADV RB _ 15 advmod _ _ 9 because because SCONJ IN _ 15 mark _ _ 10 the the DET DT Definite=Def|PronType=Art 11 det _ _ 11 air air NOUN NN Number=Sing 15 nsubj:pass _ _ 12 in in ADP IN _ 13 case _ _ 13 front front NOUN NN Number=Sing 11 nmod _ _ 14 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 15 aux:pass _ _ 15 squeezed squeeze VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 5 advcl _ _ 16 and and CCONJ CC _ 17 cc _ _ 17 heats heat VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 15 conj _ _ 18 up up ADP RP _ 17 compound:prt _ _ 19 , , PUNCT , _ 22 punct _ _ 20 so so ADV RB _ 22 advmod _ _ 21 it it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 22 nsubj _ _ 22 needs need VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 5 parataxis _ Agree=R7-rel-agree|Haiku=5:conj 23 a a DET DT Definite=Ind|PronType=Art 25 det _ _ 24 heat heat NOUN NN Number=Sing 25 compound _ _ 25 shield shield NOUN NN Number=Sing 22 obj _ _ 26 . . PUNCT . _ 5 punct _ _ ``` ## Pragmatics {#pragmatics} - form: statement - act: assert - voice: narrator - polarity: none - teacher: kept the draft | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **come** | gerund | a spacecraft *not said here* | | | | | home *property* | vn escape-51.1-1 «NP V»: agent=Theme | | 2 | **glow** | present | a spacecraft | | | | | hot *property* | vn light\_emission-43.1 «NP V»: agent=Theme | | 3 | **squeeze** | present · passive | | the air in front | | | | mostly *property* | vn push-12-1-1 «NP V NP»: subject=Theme | | 4 | **heat up** | present | | | | | | | vn cooking-45.3 «NP.patient V»: agent=Patient | | 5 | **need** | present | air | a heat shield | | | | | vn want-32.1-1-1 «NP V NP ADV»: agent=Pivot shield=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:007-living-with-friction.lesson:13`. **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): 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](https://md.mova.elamur.ai/free/en/releases/0.4/). - ← previous: [Living with friction: oil, wheels and…, 12](https://md.mova.elamur.ai/free/en/corpora/school/physics/7-living-with-friction/12/) - next →: [Living with friction: oil, wheels and…, 14](https://md.mova.elamur.ai/free/en/corpora/school/physics/7-living-with-friction/14/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/physics/7-living-with-friction/)