context: We doubt that Brian is a frog. It is almost certain that Julius is a lion. It is almost certain that Bernhard is a rhino.
hypothesis: We believe that either Brian is a frog, or Julius is a lion.
valid_hypothesis: We believe that either Brian is a frog, or Julius is a lion.
invalid_hypothesis: It is probably not the case that either Brian is a frog, or Julius is a lion.
hypothesis_assertion: Either Brian is a frog, or Julius is a lion.