context: It is almost certain that Sandra dropped the milk. There is a better than even chance that John left the milk. We believe that Bernhard is a frog.
hypothesis: It is probable that either Bernhard is a frog, or Sandra dropped the milk.
valid_hypothesis: It is probably not the case that either Bernhard is a frog, or Sandra dropped the milk.
invalid_hypothesis: It is probable that either Bernhard is a frog, or Sandra dropped the milk.
hypothesis_assertion: Either Bernhard is a frog, or Sandra dropped the milk.