context: We believe that Lily is gray. There is a better than even chance that Sandra left the football. It is almost certain that Greg is green. It is likely that if Greg is green, or Sandra left the football, then Bernhard is white. There is a very good chance that if Greg is green, or Sandra left the football, then Mary went to the office. There is little chance that if Sandra left the football, and Greg is green, then Julius is a swan.
hypothesis: It is highly unlikely that mary went to the office, or Lily is gray.
valid_hypothesis: It is almost certain that mary went to the office, or Lily is gray.
invalid_hypothesis: It is highly unlikely that mary went to the office, or Lily is gray.
hypothesis_assertion: Mary went to the office, or Lily is gray.