context: There is almost no chance that Greg is green. Chances are about even that Brian is yellow. We doubt that Mary moved to the garden.
hypothesis: There is almost no chance that greg is green, and Brian is yellow.
valid_hypothesis: There is almost no chance that greg is green, and Brian is yellow.
invalid_hypothesis: It is likely that greg is green, and Brian is yellow.
hypothesis_assertion: Greg is green, and Brian is yellow.