context: There is little chance that Sandra left the football. We believe that Bernhard is yellow. It is almost certain that Lily is yellow.
hypothesis: We believe that sandra left the football, and Lily is yellow.
valid_hypothesis: Chances are slight that sandra left the football, and Lily is yellow.
invalid_hypothesis: We believe that sandra left the football, and Lily is yellow.
hypothesis_assertion: Sandra left the football, and Lily is yellow.