context: It is improbable that Brian is a lion. We doubt that Jeff discarded the milk. It is highly unlikely that Julius is yellow. It is highly likely that if Jeff discarded the milk, and Julius is yellow, then Jessica is a cat. It is certain that if Brian is a lion, and Julius is yellow, then Mary took the apple. There is almost no chance that if Julius is yellow, and Brian is a lion, then Sumit is tired.
hypothesis: It is impossible that sumit is tired, and Julius is yellow.
valid_hypothesis: It is impossible that sumit is tired, and Julius is yellow.
invalid_hypothesis: It is likely that sumit is tired, and Julius is yellow.
hypothesis_assertion: Sumit is tired, and Julius is yellow.