context: We believe that Mary grabbed the apple. There is little chance that John got the milk there. Chances are about even that Greg is yellow.
hypothesis: It is highly likely that greg is yellow, or Mary grabbed the apple.
valid_hypothesis: It is highly likely that greg is yellow, or Mary grabbed the apple.
invalid_hypothesis: There is little chance that greg is yellow, or Mary grabbed the apple.
hypothesis_assertion: Greg is yellow, or Mary grabbed the apple.