context: It is probably the case that Greg is green. It is unlikely that Brian is a lion. It is almost certain that Sandra got the apple.
hypothesis: It is almost certain that greg is green, and Brian is a lion.
valid_hypothesis: Chances are slight that greg is green, and Brian is a lion.
invalid_hypothesis: It is almost certain that greg is green, and Brian is a lion.
hypothesis_assertion: Greg is green, and Brian is a lion.