context: It is probable that John got the football. We believe that Bernhard is green. There is little chance that Sandra left the apple.
hypothesis: There is little chance that either Bernhard is green, or Sandra left the apple.
valid_hypothesis: It is likely that either Bernhard is green, or Sandra left the apple.
invalid_hypothesis: There is little chance that either Bernhard is green, or Sandra left the apple.
hypothesis_assertion: Either Bernhard is green, or Sandra left the apple.