context: There is little chance that Bernhard is a swan. It is probably not the case that Lily is white. It is likely that John left the apple.
hypothesis: We doubt that lily is white, and John left the apple.
valid_hypothesis: We doubt that lily is white, and John left the apple.
invalid_hypothesis: We believe that lily is white, and John left the apple.
hypothesis_assertion: Lily is white, and John left the apple.