context: It is likely that Mary went to the kitchen. We believe that Greg is yellow. It is probable that Brian is gray.
hypothesis: Chances are about even that greg is yellow, and Mary went to the kitchen.
valid_hypothesis: Chances are about even that greg is yellow, and Mary went to the kitchen.
invalid_hypothesis: It is almost certain that greg is yellow, and Mary went to the kitchen.
hypothesis_assertion: Greg is yellow, and Mary went to the kitchen.