context: We doubt that Lily is white. There is a better than even chance that Bernhard is a rhino. It is highly unlikely that Fred left the milk. It is highly unlikely that if Fred left the milk, or Lily is white, then Mary moved to the office. We doubt that if either Lily is white, or Fred left the milk, then Julius is gray. It is impossible that if Bernhard is a rhino, and Lily is white, then John picked up the apple.
hypothesis: It is impossible that mary moved to the office, and Fred left the milk.
valid_hypothesis: It is impossible that mary moved to the office, and Fred left the milk.
invalid_hypothesis: It is almost certain that mary moved to the office, and Fred left the milk.
hypothesis_assertion: Mary moved to the office, and Fred left the milk.