context: It is almost certain that Brian is white. Chances are slight that Mary moved to the office. It is highly unlikely that Jeff went to the kitchen. It is impossible that if Mary moved to the office, or Brian is white, then Daniel left the football. There is little chance that if either Jeff went to the kitchen, or Brian is white, then Sandra got the apple. It is probably the case that if either Brian is white, or Mary moved to the office, then Greg is a frog.
hypothesis: We doubt that mary moved to the office, or Sandra got the apple.
valid_hypothesis: We doubt that mary moved to the office, or Sandra got the apple.
invalid_hypothesis: It is almost certain that mary moved to the office, or Sandra got the apple.
hypothesis_assertion: Mary moved to the office, or Sandra got the apple.