context: It is likely that Brian is white. It is unlikely that John took the milk. It is probable that Greg is green.
hypothesis: There is little chance that john took the milk, and Greg is green.
valid_hypothesis: There is little chance that john took the milk, and Greg is green.
invalid_hypothesis: It is certain that john took the milk, and Greg is green.
hypothesis_assertion: John took the milk, and Greg is green.