context: It is probably not the case that Brian is yellow. It is probably not the case that Julius is a frog. It is probable that Greg is green.
hypothesis: It is unlikely that greg is green, and Brian is yellow.
valid_hypothesis: It is unlikely that greg is green, and Brian is yellow.
invalid_hypothesis: It is almost certain that greg is green, and Brian is yellow.
hypothesis_assertion: Greg is green, and Brian is yellow.