context: It is certain that Julius is a lion. It is probable that Fred discarded the milk. Chances are slight that Sandra dropped the apple.
hypothesis: We doubt that sandra dropped the apple, or Julius is a lion.
valid_hypothesis: It is certain that sandra dropped the apple, or Julius is a lion.
invalid_hypothesis: We doubt that sandra dropped the apple, or Julius is a lion.
hypothesis_assertion: Sandra dropped the apple, or Julius is a lion.