context: There is little chance that Sandra grabbed the apple. It is probably not the case that Lily is yellow. It is improbable that Bill dropped the milk. It is likely that if Bill dropped the milk, and Sandra grabbed the apple, then Mary went to the garden. There is almost no chance that if Lily is yellow, and Bill dropped the milk, then Greg is a lion. It is improbable that if Lily is yellow, and Bill dropped the milk, then Brian is gray.
hypothesis: We believe that either Bill dropped the milk, or Sandra grabbed the apple.
valid_hypothesis: We doubt that either Bill dropped the milk, or Sandra grabbed the apple.
invalid_hypothesis: We believe that either Bill dropped the milk, or Sandra grabbed the apple.
hypothesis_assertion: Either Bill dropped the milk, or Sandra grabbed the apple.