context: It is highly unlikely that Brian is white. It is likely that Bernhard is a lion. It is probable that John left the apple. It is certain that if either John left the apple, or Brian is white, then Sandra grabbed the milk. It is unlikely that if either Brian is white, or Bernhard is a lion, then Lily is yellow. It is probable that if either Brian is white, or Bernhard is a lion, then Mary is in the garden.
hypothesis: There is a better than even chance that either Lily is yellow, or John left the apple.
valid_hypothesis: There is a better than even chance that either Lily is yellow, or John left the apple.
invalid_hypothesis: It is improbable that either Lily is yellow, or John left the apple.
hypothesis_assertion: Either Lily is yellow, or John left the apple.