context: It is unlikely that Mary went to the garden. We doubt that Bill got the milk there. It is almost certain that Bernhard is a lion. There is almost no chance that if Mary went to the garden, or Bernhard is a lion, then John left the apple. It is likely that if Bernhard is a lion, or Mary went to the garden, then Emily is a cat. It is highly likely that if either Bernhard is a lion, or Bill got the milk there, then Julius is gray.
hypothesis: There is a better than even chance that either Bill got the milk there, or Emily is a cat.
valid_hypothesis: There is a better than even chance that either Bill got the milk there, or Emily is a cat.
invalid_hypothesis: Chances are slight that either Bill got the milk there, or Emily is a cat.
hypothesis_assertion: Either Bill got the milk there, or Emily is a cat.