--- title: Dolphins sleep with half their brain at a time and one eye open, so… — Sleep and hibernation · tree and pragmatics description: Dolphins sleep with half their brain at a time and one eye open, so they can still come up to breathe and watch for danger. Who acts: Dolphins. A sentence of the lesson «Sleep and hibernation» of the biology course of Mova's primary school with its dependency tree and the pragmatics of every clause. --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/55-sleep-and-hibernation/8/) [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/) / [Sleep and hibernation](https://md.mova.elamur.ai/free/en/corpora/school/biology/55-sleep-and-hibernation/) / 8 # Sleep and hibernation, sentence 8 Dolphins sleep with half their brain at a time and one eye open, so they can still come up to breathe and watch for danger. **Who acts:** Dolphins · **What happens:** sleep, come up, breathe, watch This is a sentence of the lesson «Sleep and hibernation» 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 (Dolphins), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:biology:055-sleep-and-hibernation.lesson:8 # text = Dolphins sleep with half their brain at a time and one eye open, so they can still come up to breathe and watch for danger. # source = school lesson (ours) # course = biology # lesson = 055-sleep-and-hibernation.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, R8-pos-agree ×1 1 Dolphins dolphin NOUN NNS Number=Plur 2 nsubj _ _ 2 sleep sleep VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 3 with with ADP IN _ 6 case _ _ 4 half half DET PDT NumForm=Word|NumType=Frac|PronType=Ind 6 det:predet _ _ 5 their their PRON PRP$ Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs 6 nmod:poss _ Agree=R8-pos-agree|Haiku=6:nmod:poss|HaikuPos=DET:PRP$:Number=Plur|Poss=Yes|PronType=Prs 6 brain brain NOUN NN Number=Sing 2 obl _ _ 7 at at ADP IN _ 9 case _ _ 8 a a DET DT Definite=Ind|PronType=Art 9 det _ _ 9 time time NOUN NN Number=Sing 6 nmod _ _ 10 and and CCONJ CC _ 13 cc _ _ 11 one one NUM CD NumForm=Word|NumType=Card 12 nummod _ _ 12 eye eye NOUN NN Number=Sing 13 nsubj _ Agree=R7-rel-agree|Haiku=13:obl:unmarked 13 open open ADJ JJ Degree=Pos 6 conj _ _ 14 , , PUNCT , _ 19 punct _ _ 15 so so ADV RB _ 19 advmod _ _ 16 they they PRON PRP Case=Nom|Number=Plur|Person=3|PronType=Prs 19 nsubj _ _ 17 can can AUX MD VerbForm=Fin 19 aux _ _ 18 still still ADV RB _ 19 advmod _ _ 19 come come VERB VB VerbForm=Inf 2 conj _ _ 20 up up ADP RP _ 19 compound:prt _ _ 21 to to PART TO _ 22 mark _ _ 22 breathe breathe VERB VB VerbForm=Inf 19 advcl _ _ 23 and and CCONJ CC _ 24 cc _ _ 24 watch watch VERB VB VerbForm=Inf 22 conj _ _ 25 for for ADP IN _ 26 case _ _ 26 danger danger NOUN NN Number=Sing 24 obl _ _ 27 . . PUNCT . _ 2 punct _ _ ``` ## Pragmatics {#pragmatics} - form: statement - act: assert - voice: narrator - polarity: none - teacher: kept the draft | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **sleep** | present | Dolphins | | | | | with dolphins's brain at a time | vn snooze-40.4-1 «NP V»: agent=Agent | | 2 | **come up** | can | dolphins *= dolphin* | | | | still | | vn escape-51.1-1 «NP V»: agent=Theme | | 3 | **breathe** | to-infinitive | dolphins *= dolphin* *not said here* | | | | | | vn breathe-40.1.2-1 «NP V»: agent=Agent | | 4 | **watch** | infinitive | dolphins *= dolphin* *not said here* | | | | | for danger | vn search-35.2 «NP V PP.theme NP.location»: agent=Agent for danger=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:055-sleep-and-hibernation.lesson:8`. **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, 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: [Sleep and hibernation, 7](https://md.mova.elamur.ai/free/en/corpora/school/biology/55-sleep-and-hibernation/7/) - next →: [Sleep and hibernation, 9](https://md.mova.elamur.ai/free/en/corpora/school/biology/55-sleep-and-hibernation/9/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/55-sleep-and-hibernation/)