context: It is probable that Jeff went to the kitchen. It is probably not the case that Brian is green. There is almost no chance that Lily is white. It is impossible that if Jeff went to the kitchen, or Brian is green, then Julius is a swan. It is probably the case that if either Brian is green, or Lily is white, then Mary got the apple. There is little chance that if either Brian is green, or Jeff went to the kitchen, then Bernhard is white.
hypothesis: We believe that julius is a swan, or Lily is white.
valid_hypothesis: There is almost no chance that julius is a swan, or Lily is white.
invalid_hypothesis: We believe that julius is a swan, or Lily is white.
hypothesis_assertion: Julius is a swan, or Lily is white.