context: Chances are about even that Sandra grabbed the milk. It is likely that Lily is white. We doubt that Mary went to the garden. There is a better than even chance that if Mary went to the garden, or Sandra grabbed the milk, then Brian is a frog. It is improbable that if either Mary went to the garden, or Sandra grabbed the milk, then Bernhard is a lion. We doubt that if Sandra grabbed the milk, and Mary went to the garden, then Daniel dropped the apple.
hypothesis: There is a very good chance that lily is white, or Sandra grabbed the milk.
valid_hypothesis: There is a very good chance that lily is white, or Sandra grabbed the milk.
invalid_hypothesis: It is highly unlikely that lily is white, or Sandra grabbed the milk.
hypothesis_assertion: Lily is white, or Sandra grabbed the milk.