context: It is almost certain that Greg is yellow. It is improbable that Daniel took the football. It is highly likely that Gertrude is a sheep.
hypothesis: It is probable that either Gertrude is a sheep, or Greg is yellow.
valid_hypothesis: There is little chance that either Gertrude is a sheep, or Greg is yellow.
invalid_hypothesis: It is probable that either Gertrude is a sheep, or Greg is yellow.
hypothesis_assertion: Either Gertrude is a sheep, or Greg is yellow.