--- title: Because its eyes cannot roll, an owl bobs and sways its head to look… — How owls work: silent wings, turning heads, pell… · tree and pragmatics description: Because its eyes cannot roll, an owl bobs and sways its head to look at a thing from slightly different places, which helps it judge how far away the thing is. Who acts: eyes, owl, daylight, thing. A sentence of the lesson «How owls work: silent wings, turning heads, pellets and owl myths» of the bi --- [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/19/) [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/) / 19 # How owls work: silent wings, turning heads, pellets and owl myths, sentence 19 Because its eyes cannot roll, an owl bobs and sways its head to look at a thing from slightly different places, which helps it judge how far away the thing is. **Who acts:** eyes, owl, daylight, thing · **What happens:** not roll, bob, sway, look, help, judge · **To what, where:** head 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 (eyes, owl, daylight, thing), 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:19 # text = Because its eyes cannot roll, an owl bobs and sways its head to look at a thing from slightly different places, which helps it judge how far away the thing is. # 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, R7-rel-agree ×2 1 Because because SCONJ IN _ 6 mark _ _ 2 its its PRON PRP$ Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs 3 nmod:poss _ _ 3 eyes eye NOUN NNS Number=Plur 6 nsubj _ _ 4 can can AUX MD VerbForm=Fin 6 aux _ _ 5 not not PART RB Polarity=Neg 6 advmod _ _ 6 roll roll VERB VB VerbForm=Inf 10 advcl _ _ 7 , , PUNCT , _ 10 punct _ _ 8 an a DET DT Definite=Ind|PronType=Art 9 det _ _ 9 owl owl NOUN NN Number=Sing 10 nsubj _ _ 10 bobs bob VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 11 and and CCONJ CC _ 12 cc _ _ 12 sways sway VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 10 conj _ _ 13 its its PRON PRP$ Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs 14 nmod:poss _ _ 14 head head NOUN NN Number=Sing 12 obj _ _ 15 to to PART TO _ 16 mark _ _ 16 look look VERB VB VerbForm=Inf 12 advcl _ Agree=R5-strong|Haiku=6:advcl 17 at at ADP IN _ 19 case _ _ 18 a a DET DT Definite=Ind|PronType=Art 19 det _ _ 19 thing thing NOUN NN Number=Sing 16 obl _ _ 20 from from ADP IN _ 23 case _ _ 21 slightly slightly ADV RB _ 22 advmod _ _ 22 different different ADJ JJ Degree=Pos 23 amod _ _ 23 places place NOUN NNS Number=Plur 16 obl _ _ 24 , , PUNCT , _ 26 punct _ _ 25 which which PRON WDT PronType=Rel 26 nsubj _ _ 26 helps help VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 16 advcl _ _ 27 it it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 28 nsubj _ _ 28 judge judge VERB VB VerbForm=Inf 26 xcomp _ Agree=R7-rel-agree|Haiku=26:obj|HaikuPos=NOUN:NN:Number=Sing 29 how how ADV WRB PronType=Int 30 advmod _ _ 30 far far ADV RB Degree=Pos 31 advmod _ _ 31 away away ADV RB _ 28 ccomp _ Agree=R7-rel-agree|Haiku=28:advmod 32 the the DET DT Definite=Def|PronType=Art 33 det _ _ 33 thing thing NOUN NN Number=Sing 34 nsubj _ _ 34 is be VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 26 advcl _ _ 35 . . PUNCT . _ 10 punct _ _ ``` ## Pragmatics {#pragmatics} No stored speech act for this sentence. | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **not** **roll** | can | daylight's eyes | | | | | | vn run-51.3.2-2 «NP V»: agent=Theme | | 2 | **bob** | present | a owl | | | | | | vn curtsey-40.3.3 «NP V»: agent=Agent | | 3 | **sway** | present | a owl *not said here* | daylight's head | | | | | vn modes\_of\_being\_with\_motion-47.3 «PP.location V NP»: agent=Location head=Theme | | 4 | **look** | to-infinitive | a owl *not said here* | | | | | from different places; at a thing | vn peer-30.3 «NP V PP.theme»: agent=Agent at thing=Theme | | 5 | **help** | present | | | | | | | vn help-72.1-1-1 «NP V NP S\_INF»: agent=Agent clause=Theme | | 6 | **judge** | infinitive | daylight | | | | | | vn estimate-34.2-1-1 «NP V whether/if S»: agent=Agent | | 7 | **be** | present | the thing | | | | | | vn exist-47.1 «NP 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:biology:302-how-owls-work-silent-wings-turning-heads-pellets-and-owl-myths.lesson:19`. **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 ×2. **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…, 18](https://md.mova.elamur.ai/free/en/corpora/school/biology/302-how-owls-work-silent-wings-turning-heads-pellets-and-owl-myths/18/) - next →: [How owls work: silent wings, turning h…, 20](https://md.mova.elamur.ai/free/en/corpora/school/biology/302-how-owls-work-silent-wings-turning-heads-pellets-and-owl-myths/20/) - ↑ 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/)