context: It is probably the case that John got the football. It is probably not the case that Julius is green. It is probably the case that Bernhard is a lion.
hypothesis: Chances are about even that bernhard is a lion, and John got the football.
valid_hypothesis: Chances are about even that bernhard is a lion, and John got the football.
invalid_hypothesis: There is almost no chance that bernhard is a lion, and John got the football.
hypothesis_assertion: Bernhard is a lion, and John got the football.