context: There is almost no chance that Bernhard is a lion. Chances are about even that Greg is a frog. It is unlikely that John left the milk.
hypothesis: It is likely that john left the milk, and Greg is a frog.
valid_hypothesis: Chances are slight that john left the milk, and Greg is a frog.
invalid_hypothesis: It is likely that john left the milk, and Greg is a frog.
hypothesis_assertion: John left the milk, and Greg is a frog.