context: It is certain that Brian is a frog. It is unlikely that Daniel left the milk. Chances are slight that John went to the garden.
hypothesis: There is a very good chance that either Brian is a frog, or Daniel left the milk.
valid_hypothesis: There is a very good chance that either Brian is a frog, or Daniel left the milk.
invalid_hypothesis: It is impossible that either Brian is a frog, or Daniel left the milk.
hypothesis_assertion: Either Brian is a frog, or Daniel left the milk.