--- title: Polar bears are excellent swimmers that can swim for hours or even d… — Bears · tree and pragmatics description: Polar bears are excellent swimmers that can swim for hours or even days between pieces of sea ice, and scientists class them as marine mammals. Who acts: Polar bears, excellent swimmers, scientists. A sentence of the lesson «Bears» of the biology course of Mova's primary school with its dependency t --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/23-bears/6/) [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/) / [Bears](https://md.mova.elamur.ai/free/en/corpora/school/biology/23-bears/) / 6 # Bears, sentence 6 Polar bears are excellent swimmers that can swim for hours or even days between pieces of sea ice, and scientists class them as marine mammals. **Who acts:** Polar bears, excellent swimmers, scientists · **What happens:** be, swim, class · **To what, where:** excellent swimmers, pieces This is a sentence of the lesson «Bears» 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, excellent swimmers, scientists), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:biology:023-bears.lesson:6 # text = Polar bears are excellent swimmers that can swim for hours or even days between pieces of sea ice, and scientists class them as marine mammals. # source = school lesson (ours) # course = biology # lesson = 023-bears.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): R6-punct-agree ×1, R7-rel-agree ×1 1 Polar polar ADJ JJ Degree=Pos 2 amod _ _ 2 bears bear NOUN NNS Number=Plur 5 nsubj _ _ 3 are be AUX VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 5 cop _ _ 4 excellent excellent ADJ JJ Degree=Pos 5 amod _ _ 5 swimmers swimmer NOUN NNS Number=Plur 0 root _ _ 6 that that PRON WDT PronType=Rel 8 nsubj _ _ 7 can can AUX MD VerbForm=Fin 8 aux _ _ 8 swim swim VERB VB VerbForm=Inf 5 acl:relcl _ _ 9 for for ADP IN _ 10 case _ _ 10 hours hour NOUN NNS Number=Plur 8 obl _ _ 11 or or CCONJ CC _ 13 cc _ _ 12 even even ADV RB _ 13 advmod _ _ 13 days day NOUN NNS Number=Plur 10 conj _ _ 14 between between ADP IN _ 15 case _ _ 15 pieces piece NOUN NNS Number=Plur 8 obl _ _ 16 of of ADP IN _ 18 case _ _ 17 sea sea NOUN NN Number=Sing 18 compound _ _ 18 ice ice NOUN NN Number=Sing 15 nmod _ _ 19 , , PUNCT , _ 22 punct _ _ 20 and and CCONJ CC _ 22 cc _ _ 21 scientists scientist NOUN NNS Number=Plur 22 nsubj _ _ 22 class class VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 5 conj _ _ 23 them they PRON PRP Case=Acc|Number=Plur|Person=3|PronType=Prs 22 obj _ _ 24 as as ADP IN _ 26 case _ _ 25 marine marine ADJ JJ Degree=Pos 26 amod _ Agree=R7-rel-agree|Haiku=26:compound|HaikuPos=NOUN:NN:Number=Sing 26 mammals mammal NOUN NNS Number=Plur 22 obl _ _ 27 . . PUNCT . _ 5 punct _ Agree=R6-punct-agree|Haiku=22: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 | Polar bears | excellent swimmers | | | | | tree rules | | 2 | **swim** | can | excellent swimmers | | | pieces of sea ice | hour | | vn run-51.3.2-1 «NP V PP.location»: agent=Theme between piece=Trajectory | | 3 | **class** | present | scientists | pieces *= piece* | | | | as marine mammals *goal* | vn classify-29.10 «NP V NP PP.goal»: agent=Agent they=Theme as mammal=Goal | 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:023-bears.lesson:6`. **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): R6-punct-agree ×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: [Bears, 5](https://md.mova.elamur.ai/free/en/corpora/school/biology/23-bears/5/) - next →: [Bears, 7](https://md.mova.elamur.ai/free/en/corpora/school/biology/23-bears/7/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/23-bears/)