context: We doubt that Brian is a frog. It is unlikely that Julius is a rhino. We believe that Fred went to the kitchen.
hypothesis: There is almost no chance that either Fred went to the kitchen, or Brian is a frog.
valid_hypothesis: It is probably the case that either Fred went to the kitchen, or Brian is a frog.
invalid_hypothesis: There is almost no chance that either Fred went to the kitchen, or Brian is a frog.
hypothesis_assertion: Either Fred went to the kitchen, or Brian is a frog.