context: There is a very good chance that Mary went to the kitchen. It is unlikely that John got the milk. There is a better than even chance that Bernhard is a lion.
hypothesis: There is a better than even chance that either Bernhard is a lion, or John got the milk.
valid_hypothesis: There is a better than even chance that either Bernhard is a lion, or John got the milk.
invalid_hypothesis: It is impossible that either Bernhard is a lion, or John got the milk.
hypothesis_assertion: Either Bernhard is a lion, or John got the milk.