context: Chances are slight that John left the apple. We doubt that Bernhard is gray. It is likely that Mary moved to the office. It is impossible that if Bernhard is gray, or Mary moved to the office, then Lily is green. It is certain that if Mary moved to the office, and Bernhard is gray, then Brian is a swan. There is little chance that if Bernhard is gray, and Mary moved to the office, then Greg is a rhino.
hypothesis: There is almost no chance that mary moved to the office, and Greg is a rhino.
valid_hypothesis: There is almost no chance that mary moved to the office, and Greg is a rhino.
invalid_hypothesis: It is highly likely that mary moved to the office, and Greg is a rhino.
hypothesis_assertion: Mary moved to the office, and Greg is a rhino.