context: It is unlikely that Fred discarded the milk. Chances are about even that Bernhard is a lion. There is little chance that Mary moved to the office.
hypothesis: It is impossible that bernhard is a lion, or Mary moved to the office.
valid_hypothesis: There is a better than even chance that bernhard is a lion, or Mary moved to the office.
invalid_hypothesis: It is impossible that bernhard is a lion, or Mary moved to the office.
hypothesis_assertion: Bernhard is a lion, or Mary moved to the office.