context: There is a very good chance that Brian is yellow. It is probable that Mary picked up the milk. Chances are slight that Julie is in the bedroom. It is probably the case that if Julie is in the bedroom, or Brian is yellow, then Julius is a rhino. It is likely that if Brian is yellow, or Mary picked up the milk, then Daniel left the football. It is improbable that if either Mary picked up the milk, or Brian is yellow, then Bill moved to the office.
hypothesis: We doubt that either Mary picked up the milk, or Bill moved to the office.
valid_hypothesis: It is probably the case that either Mary picked up the milk, or Bill moved to the office.
invalid_hypothesis: We doubt that either Mary picked up the milk, or Bill moved to the office.
hypothesis_assertion: Either Mary picked up the milk, or Bill moved to the office.