context: It is almost certain that Brian is white. It is unlikely that Mary left the milk. It is certain that Lily is white. We believe that if Mary left the milk, and Brian is white, then Sandra got the apple. Chances are slight that if Lily is white, or Brian is white, then Jessica is a sheep. It is likely that if Mary left the milk, or Lily is white, then Julius is a lion.
hypothesis: Chances are slight that jessica is a sheep, and Lily is white.
valid_hypothesis: Chances are slight that jessica is a sheep, and Lily is white.
invalid_hypothesis: There is a better than even chance that jessica is a sheep, and Lily is white.
hypothesis_assertion: Jessica is a sheep, and Lily is white.