context: There is little chance that Brian is white. There is a better than even chance that Greg is yellow. It is unlikely that Bernhard is a lion.
hypothesis: It is impossible that greg is yellow, or Brian is white.
valid_hypothesis: There is a better than even chance that greg is yellow, or Brian is white.
invalid_hypothesis: It is impossible that greg is yellow, or Brian is white.
hypothesis_assertion: Greg is yellow, or Brian is white.