context: It is likely that Brian is gray. There is almost no chance that Julius is a frog. It is probable that Jessica is a sheep.
hypothesis: It is almost certain that either Brian is gray, or Jessica is a sheep.
valid_hypothesis: Chances are about even that either Brian is gray, or Jessica is a sheep.
invalid_hypothesis: It is almost certain that either Brian is gray, or Jessica is a sheep.
hypothesis_assertion: Either Brian is gray, or Jessica is a sheep.