context: It is highly unlikely that Mary took the apple. We doubt that Greg is a lion. It is certain that Bill discarded the milk.
hypothesis: It is probably not the case that either Greg is a lion, or Mary took the apple.
valid_hypothesis: It is probably not the case that either Greg is a lion, or Mary took the apple.
invalid_hypothesis: It is probably the case that either Greg is a lion, or Mary took the apple.
hypothesis_assertion: Either Greg is a lion, or Mary took the apple.