#4 The dog must understand why and why it is following commands, which means, at least, it must recognize the owner and leader in you, for your inner qualities.
#5 The Basenji’s curiosity is truly legendary – if you want to hide food from it, take care of it twice.
The dog can wait, wait for the night when no one interferes, then climb on a chair, from the chair to the countertop near the refrigerator, from there to the refrigerator itself, and so on.