--- title: Polar bears hunt seals by waiting at breathing holes for hours or ev… — The Arctic Ocean: walruses, bowheads, the 400-ye… · tree and pragmatics description: Polar bears hunt seals by waiting at breathing holes for hours or even days. Who acts: Polar bears. A sentence of the lesson «The Arctic Ocean: walruses, bowheads, the 400-year shark and the unicorn's tooth» of the biology course of Mova's primary school with its dependency tree and the pragmatics o --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/169-the-arctic-ocean-walruses-bowheads-the-400-year-shark-and-the-unicorns-tooth/9/) [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/) / [The Arctic Ocean: walruses, bowheads,…](https://md.mova.elamur.ai/free/en/corpora/school/biology/169-the-arctic-ocean-walruses-bowheads-the-400-year-shark-and-the-unicorns-tooth/) / 9 # The Arctic Ocean: walruses, bowheads, the 400-year shark and the unicorn's tooth, sentence 9 Polar bears hunt seals by waiting at breathing holes for hours or even days. **Who acts:** Polar bears · **What happens:** hunt, wait, breathe · **To what, where:** seals, breathing holes This is a sentence of the lesson «The Arctic Ocean: walruses, bowheads, the 400-year shark and the unicorn's tooth» 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 (Polar bears), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:biology:169-the-arctic-ocean-walruses-bowheads-the-400-year-shark-and-the-unicorns-tooth.lesson:9 # text = Polar bears hunt seals by waiting at breathing holes for hours or even days. # source = school lesson (ours) # course = biology # lesson = 169-the-arctic-ocean-walruses-bowheads-the-400-year-shark-and-the-unicorns-tooth.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 Polar polar ADJ JJ Degree=Pos 2 amod _ _ 2 bears bear NOUN NNS Number=Plur 3 nsubj _ _ 3 hunt hunt VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 4 seals seal NOUN NNS Number=Plur 3 obj _ _ 5 by by SCONJ IN _ 6 mark _ _ 6 waiting wait VERB VBG Tense=Pres|VerbForm=Part 3 advcl _ _ 7 at at ADP IN _ 9 case _ _ 8 breathing breathe VERB VBG Tense=Pres|VerbForm=Part 9 amod _ Agree=R7-rel-agree|Haiku=9:compound|HaikuPos=NOUN:NN:Number=Sing 9 holes hole NOUN NNS Number=Plur 6 obl _ _ 10 for for ADP IN _ 11 case _ _ 11 hours hour NOUN NNS Number=Plur 6 obl _ _ 12 or or CCONJ CC _ 14 cc _ _ 13 even even ADV RB _ 14 advmod _ _ 14 days day NOUN NNS Number=Plur 11 conj _ _ 15 . . PUNCT . _ 3 punct _ _ ``` ## Pragmatics {#pragmatics} - form: statement - act: narrate - voice: narrator - polarity: none - teacher: kept the draft | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **hunt** | present | Polar bears | seals | | | | | vn hunt-35.1 «NP V NP»: agent=Agent seal=Theme | | 2 | **wait** | gerund | Polar bears *not said here* | | | breathing holes | hour | | vn exist-47.1 «NP V PP.location»: agent=Theme at hole=Location | | 3 | **breathe** | gerund | | | | | | | vn breathe-40.1.2-1 «NP V»: 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:169-the-arctic-ocean-walruses-bowheads-the-400-year-shark-and-the-unicorns-tooth.lesson:9`. **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: [The Arctic Ocean: walruses, bowheads,…, 8](https://md.mova.elamur.ai/free/en/corpora/school/biology/169-the-arctic-ocean-walruses-bowheads-the-400-year-shark-and-the-unicorns-tooth/8/) - next →: [The Arctic Ocean: walruses, bowheads,…, 10](https://md.mova.elamur.ai/free/en/corpora/school/biology/169-the-arctic-ocean-walruses-bowheads-the-400-year-shark-and-the-unicorns-tooth/10/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/169-the-arctic-ocean-walruses-bowheads-the-400-year-shark-and-the-unicorns-tooth/)