--- title: Its huge eyes are fixed tubes that cannot roll, so the owl turns its… — How owls work: silent wings, turning heads, pell… · tree and pragmatics description: Its huge eyes are fixed tubes that cannot roll, so the owl turns its whole head instead, about three quarters of a circle, thanks to 14 neck bones and clever blood vessels that keep the brain fed. Who acts: huge eyes, fixed tubes, owl, clever blood vessels. A sentence of the lesson «How owls work: s --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/302-how-owls-work-silent-wings-turning-heads-pellets-and-owl-myths/2/) [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/) / [Biology](https://md.mova.elamur.ai/free/en/corpora/school/biology/) / [How owls work: silent wings, turning h…](https://md.mova.elamur.ai/free/en/corpora/school/biology/302-how-owls-work-silent-wings-turning-heads-pellets-and-owl-myths/) / 2 # How owls work: silent wings, turning heads, pellets and owl myths, sentence 2 Its huge eyes are fixed tubes that cannot roll, so the owl turns its whole head instead, about three quarters of a circle, thanks to 14 neck bones and clever blood vessels that keep the brain fed. **Who acts:** huge eyes, fixed tubes, owl, clever blood vessels, brain · **What happens:** fix, be, not roll, turn, keep, feed · **To what, where:** fixed tubes, whole head, brain This is a sentence of the lesson «How owls work: silent wings, turning heads, pellets and owl myths» of the biology 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 (huge eyes, fixed tubes, owl, clever blood vessels), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:biology:302-how-owls-work-silent-wings-turning-heads-pellets-and-owl-myths.lesson:2 # text = Its huge eyes are fixed tubes that cannot roll, so the owl turns its whole head instead, about three quarters of a circle, thanks to 14 neck bones and clever blood vessels that keep the brain fed. # source = school lesson (ours) # course = biology # lesson = 302-how-owls-work-silent-wings-turning-heads-pellets-and-owl-myths.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, R8-pos-agree ×1 1 Its its PRON PRP$ Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs 3 nmod:poss _ _ 2 huge huge ADJ JJ Degree=Pos 3 amod _ _ 3 eyes eye NOUN NNS Number=Plur 6 nsubj _ _ 4 are be AUX VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 6 cop _ _ 5 fixed fix VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 6 amod _ Agree=R8-pos-agree|Haiku=6:amod|HaikuPos=ADJ:JJ:Degree=Pos 6 tubes tube NOUN NNS Number=Plur 0 root _ _ 7 that that PRON WDT PronType=Rel 10 nsubj _ _ 8 can can AUX MD VerbForm=Fin 10 aux _ _ 9 not not PART RB Polarity=Neg 10 advmod _ _ 10 roll roll VERB VB VerbForm=Inf 6 acl:relcl _ _ 11 , , PUNCT , _ 15 punct _ _ 12 so so ADV RB _ 15 advmod _ _ 13 the the DET DT Definite=Def|PronType=Art 14 det _ _ 14 owl owl NOUN NN Number=Sing 15 nsubj _ _ 15 turns turn VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 6 conj _ _ 16 its its PRON PRP$ Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs 18 nmod:poss _ _ 17 whole whole ADJ JJ Degree=Pos 18 amod _ _ 18 head head NOUN NN Number=Sing 15 obj _ _ 19 instead instead ADV RB _ 15 advmod _ _ 20 , , PUNCT , _ 15 punct _ _ 21 about about ADV RB _ 22 advmod _ _ 22 three three NUM CD NumForm=Word|NumType=Card 23 nummod _ _ 23 quarters quarter NOUN NNS Number=Plur 15 obl _ _ 24 of of ADP IN _ 26 case _ _ 25 a a DET DT Definite=Ind|PronType=Art 26 det _ _ 26 circle circle NOUN NN Number=Sing 23 nmod _ _ 27 , , PUNCT , _ 28 punct _ _ 28 thanks thanks NOUN NN Number=Sing 15 obl _ _ 29 to to ADP IN _ 28 fixed _ _ 30 14 14 NUM CD NumForm=Digit|NumType=Card 32 nummod _ _ 31 neck neck NOUN NN Number=Sing 32 compound _ _ 32 bones bone NOUN NNS Number=Plur 28 nmod _ _ 33 and and CCONJ CC _ 36 cc _ _ 34 clever clever ADJ JJ Degree=Pos 36 amod _ _ 35 blood blood NOUN NN Number=Sing 36 compound _ _ 36 vessels vessel NOUN NNS Number=Plur 32 conj _ _ 37 that that PRON WDT PronType=Rel 38 nsubj _ _ 38 keep keep VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 36 acl:relcl _ Agree=R5-strong|Haiku=32:acl:relcl 39 the the DET DT Definite=Def|PronType=Art 40 det _ _ 40 brain brain NOUN NN Number=Sing 38 obj _ _ 41 fed feed VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 38 xcomp _ _ 42 . . PUNCT . _ 6 punct _ _ ``` ## Pragmatics {#pragmatics} - form: statement - act: assert - voice: narrator - polarity: none - teacher: changed polarity=none | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **fix** | participle | | | | | | | vn shake-22.3-2 «NP V ADV-Middle»: agent=Patient | | 2 | **is a** | present | machine's huge eyes | fixed tubes | | | | | tree rules | | 3 | **not** **roll** | can | fixed tubes | | | | | | vn run-51.3.2-2 «NP V»: agent=Theme | | 4 | **turn** | present | the owl | machine's whole head | | | | three quarters of a circle *obl*; thanks 14 neck bones and clever blood vessels *obl*; instead *property* | vn roll-51.3.1 «NP V NP.theme»: agent=Agent head=Theme | | 5 | **keep** | present | clever blood vessels | the brain | | | | | tree rules | | 6 | **feed** | participle | the brain *not said here* | | | | | | vn gorge-39.6 «NP V PP.patient»: agent=Agent | 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:biology:302-how-owls-work-silent-wings-turning-heads-pellets-and-owl-myths.lesson:2`. **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, 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: [How owls work: silent wings, turning h…, 1](https://md.mova.elamur.ai/free/en/corpora/school/biology/302-how-owls-work-silent-wings-turning-heads-pellets-and-owl-myths/1/) - next →: [How owls work: silent wings, turning h…, 3](https://md.mova.elamur.ai/free/en/corpora/school/biology/302-how-owls-work-silent-wings-turning-heads-pellets-and-owl-myths/3/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/302-how-owls-work-silent-wings-turning-heads-pellets-and-owl-myths/)