context: There is little chance that Greg is gray. It is probable that Mary went to the kitchen. We doubt that Brian is white. It is probably not the case that if either Brian is white, or Greg is gray, then Julius is a lion. It is probably not the case that if Greg is gray, or Mary went to the kitchen, then Sandra left the apple. It is probably not the case that if Mary went to the kitchen, or Greg is gray, then Lily is a swan.
hypothesis: We doubt that mary went to the kitchen, and Lily is a swan.
valid_hypothesis: We doubt that mary went to the kitchen, and Lily is a swan.
invalid_hypothesis: We believe that mary went to the kitchen, and Lily is a swan.
hypothesis_assertion: Mary went to the kitchen, and Lily is a swan.