Hello. I reviewed this task as well.
In buildings, inhabited, you should see traces of human activity (paths) If there are no traces, it could be e.g. a tree.

When mapping roads (unclassified) make sure they are wide enough for cars to drive on.  Otherwise tag them as path.
Best regards
            ---
            
            Published using OSMCha: https://osmcha.org/changesets/146435468
            