context: It is almost certain that Sandra got the milk. It is highly likely that Sumit is bored. Chances are about even that Bernhard is a swan. It is improbable that if Sandra got the milk, and Sumit is bored, then Lily is white. We doubt that if Sumit is bored, or Bernhard is a swan, then Julius is green. It is almost certain that if Sumit is bored, and Bernhard is a swan, then Mary left the milk.
hypothesis: Chances are slight that lily is white, and Sumit is bored.
valid_hypothesis: Chances are slight that lily is white, and Sumit is bored.
invalid_hypothesis: It is probable that lily is white, and Sumit is bored.
hypothesis_assertion: Lily is white, and Sumit is bored.