context: It is impossible that Bernhard is a lion. We doubt that Lily is white. Chances are slight that Brian is gray. There is little chance that if either Bernhard is a lion, or Lily is white, then Greg is green. It is unlikely that if Bernhard is a lion, and Brian is gray, then Sandra left the apple. It is highly unlikely that if Bernhard is a lion, or Brian is gray, then John moved to the garden.
hypothesis: There is a better than even chance that either Bernhard is a lion, or Sandra left the apple.
valid_hypothesis: It is impossible that either Bernhard is a lion, or Sandra left the apple.
invalid_hypothesis: There is a better than even chance that either Bernhard is a lion, or Sandra left the apple.
hypothesis_assertion: Either Bernhard is a lion, or Sandra left the apple.