context: There is little chance that Bernhard is a swan. It is unlikely that Mary left the football. It is improbable that Julius is yellow.
hypothesis: There is almost no chance that julius is yellow, and Mary left the football.
valid_hypothesis: There is almost no chance that julius is yellow, and Mary left the football.
invalid_hypothesis: It is certain that julius is yellow, and Mary left the football.
hypothesis_assertion: Julius is yellow, and Mary left the football.