Changes you can undo and changes you can't

The 14 questions of lesson 9 «Changes you can undo and changes you can't» of the chemistry course of Mova's primary school with their options, 78 sentences, every one parsed by Mova with its syntax tree and pragmatics. How the student did on them: the lesson at school.

This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/9-changes-you-can-and-cannot-undo/