context: We believe that Bernhard is a rhino. It is unlikely that Mary moved to the office. There is little chance that Fred went to the kitchen. It is certain that if Mary moved to the office, and Bernhard is a rhino, then Julius is yellow. It is probably not the case that if Bernhard is a rhino, or Fred went to the kitchen, then John picked up the apple. It is improbable that if either Mary moved to the office, or Bernhard is a rhino, then Lily is a lion.
hypothesis: It is certain that mary moved to the office, and Julius is yellow.
valid_hypothesis: Chances are slight that mary moved to the office, and Julius is yellow.
invalid_hypothesis: It is certain that mary moved to the office, and Julius is yellow.
hypothesis_assertion: Mary moved to the office, and Julius is yellow.