context: We believe that Greg is a lion. It is probably not the case that Fred went to the garden. There is a very good chance that Lily is white.
hypothesis: It is probably the case that either Lily is white, or Fred went to the garden.
valid_hypothesis: It is probably the case that either Lily is white, or Fred went to the garden.
invalid_hypothesis: There is almost no chance that either Lily is white, or Fred went to the garden.
hypothesis_assertion: Either Lily is white, or Fred went to the garden.