context: We doubt that Brian is gray. There is almost no chance that Mary left the football. It is impossible that Greg is green.
hypothesis: It is likely that greg is green, or Mary left the football.
valid_hypothesis: There is almost no chance that greg is green, or Mary left the football.
invalid_hypothesis: It is likely that greg is green, or Mary left the football.
hypothesis_assertion: Greg is green, or Mary left the football.