context: It is certain that Brian is a swan. There is little chance that Bernhard is a frog. Chances are slight that Julius is white. It is probably the case that if Julius is white, and Brian is a swan, then John dropped the apple. It is certain that if Julius is white, or Bernhard is a frog, then Lily is a lion. We believe that if either Julius is white, or Bernhard is a frog, then Antoine is hungry.
hypothesis: It is improbable that julius is white, and Lily is a lion.
valid_hypothesis: It is improbable that julius is white, and Lily is a lion.
invalid_hypothesis: There is a better than even chance that julius is white, and Lily is a lion.
hypothesis_assertion: Julius is white, and Lily is a lion.