Myth check: do ostriches bury their heads in the sand?

Lesson 151 of the biology course of Mova's primary school: 17 sentences, each with its syntax tree and pragmatics. The lessons are written for Mova, and their agreed trees are part of Mova corpus 0.4 (CC BY-SA 4.0). How Mova does on its tests: the lesson at school.

This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/school/biology/151-ostriches-and-heads-in-the-sand/