How animals sleep: half-asleep dolphins, standing horses, short-sleeping giraffes and birds that nap in the air

The 15 questions of lesson 390 «How animals sleep: half-asleep dolphins, standing horses, short-sleeping giraffes and birds that nap in the air» of the biology course of Mova's primary school with their options, 80 sentences, every one parsed by Mova with its syntax tree and pragmatics. How the student did on them: the lesson at school.

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