--- title: A helicopter's rotor blades are long thin wings that spin; the small… — Airports, the black box, helicopters and drones · tree and pragmatics description: A helicopter's rotor blades are long thin wings that spin; the small tail rotor stops the body spinning the other way. Who acts: rotor blades, long thin wings, small tail rotor, body. A sentence of the lesson «Airports, the black box, helicopters and drones» of the technology course of Mova's primar --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/technology/23-airports-black-box-helicopters-drones/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/) / [Technology](https://md.mova.elamur.ai/free/en/corpora/school/technology/) / [Airports, the black box, helicopters a…](https://md.mova.elamur.ai/free/en/corpora/school/technology/23-airports-black-box-helicopters-drones/) / 15 # Airports, the black box, helicopters and drones, sentence 15 A helicopter's rotor blades are long thin wings that spin; the small tail rotor stops the body spinning the other way. **Who acts:** rotor blades, long thin wings, small tail rotor, body · **What happens:** be, spin, stop · **To what, where:** long thin wings, body, other way This is a sentence of the lesson «Airports, the black box, helicopters and drones» 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 (rotor blades, long thin wings, small tail rotor, body), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:technology:023-airports-black-box-helicopters-drones.lesson:15 # text = A helicopter's rotor blades are long thin wings that spin; the small tail rotor stops the body spinning the other way. # source = school lesson (ours) # course = technology # lesson = 023-airports-black-box-helicopters-drones.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 1 A a DET DT Definite=Ind|PronType=Art 2 det _ _ 2 helicopter helicopter NOUN NN Number=Sing 5 nmod:poss _ _ 3 's 's PART POS _ 2 case _ _ 4 rotor rotor NOUN NN Number=Sing 5 compound _ _ 5 blades blade NOUN NNS Number=Plur 9 nsubj _ _ 6 are be AUX VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 9 cop _ _ 7 long long ADJ JJ Degree=Pos 9 amod _ Agree=R5-strong|Haiku=8:advmod|HaikuPos=ADV:RB:Degree=Pos 8 thin thin ADJ JJ Degree=Pos 9 amod _ _ 9 wings wing NOUN NNS Number=Plur 0 root _ _ 10 that that PRON WDT PronType=Rel 11 nsubj _ _ 11 spin spin VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 9 acl:relcl _ _ 12 ; ; PUNCT , _ 17 punct _ _ 13 the the DET DT Definite=Def|PronType=Art 16 det _ _ 14 small small ADJ JJ Degree=Pos 16 amod _ _ 15 tail tail NOUN NN Number=Sing 16 compound _ _ 16 rotor rotor NOUN NN Number=Sing 17 nsubj _ _ 17 stops stop VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 9 parataxis _ Agree=R7-rel-agree|Haiku=9:conj 18 the the DET DT Definite=Def|PronType=Art 19 det _ _ 19 body body NOUN NN Number=Sing 17 obj _ _ 20 spinning spin VERB VBG VerbForm=Ger 19 acl _ _ 21 the the DET DT Definite=Def|PronType=Art 23 det _ _ 22 other other ADJ JJ Degree=Pos 23 amod _ _ 23 way way NOUN NN Number=Sing 20 obl:unmarked _ _ 24 . . PUNCT . _ 9 punct _ _ ``` ## Pragmatics {#pragmatics} No stored speech act for this sentence. | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **is a** | present | a helicopter's rotor blades | long thin wings | | | | | tree rules | | 2 | **spin** | present | long thin wings | | | | | | vn roll-51.3.1 «NP.theme V»: agent=Theme | | 3 | **stop** | present | the small tail rotor | the body | | | | | vn stop-55.4-1-1 «NP V NP.eventuality»: agent=Subeventuality body=Eventuality | | 4 | **spin** | gerund | the body *not said here* | the other way | | | | | vn roll-51.3.1 «NP.theme V»: agent=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:technology:023-airports-black-box-helicopters-drones.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 ×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](https://md.mova.elamur.ai/free/en/releases/0.4/). - ← previous: [Airports, the black box, helicopters a…, 14](https://md.mova.elamur.ai/free/en/corpora/school/technology/23-airports-black-box-helicopters-drones/14/) - next →: [Airports, the black box, helicopters a…, 16](https://md.mova.elamur.ai/free/en/corpora/school/technology/23-airports-black-box-helicopters-drones/16/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/technology/23-airports-black-box-helicopters-drones/)