context: We believe that Brian is yellow. It is highly likely that Greg is a rhino. There is a very good chance that Bill moved to the office. There is almost no chance that if either Brian is yellow, or Greg is a rhino, then Sandra got the apple. It is certain that if Bill moved to the office, and Brian is yellow, then John went to the hallway. There is little chance that if either Bill moved to the office, or Brian is yellow, then Lily is white.
hypothesis: It is probably not the case that either Greg is a rhino, or Brian is yellow.
valid_hypothesis: It is probably not the case that either Greg is a rhino, or Brian is yellow.
invalid_hypothesis: It is certain that either Greg is a rhino, or Brian is yellow.
hypothesis_assertion: Either Greg is a rhino, or Brian is yellow.