context: It is probable that Greg is yellow. It is probably the case that Fred put down the apple. It is likely that John moved to the office.
hypothesis: It is almost certain that fred put down the apple, and John moved to the office.
valid_hypothesis: Chances are about even that fred put down the apple, and John moved to the office.
invalid_hypothesis: It is almost certain that fred put down the apple, and John moved to the office.
hypothesis_assertion: Fred put down the apple, and John moved to the office.