context: It is unlikely that Mary went to the office. We believe that Julius is yellow. It is improbable that John took the milk.
hypothesis: It is probably not the case that either John took the milk, or Mary went to the office.
valid_hypothesis: It is probably not the case that either John took the milk, or Mary went to the office.
invalid_hypothesis: It is almost certain that either John took the milk, or Mary went to the office.
hypothesis_assertion: Either John took the milk, or Mary went to the office.