context: We believe that Sumit is tired. It is unlikely that Julius is a lion. We doubt that Greg is green.
hypothesis: It is highly unlikely that julius is a lion, and Greg is green.
valid_hypothesis: It is highly unlikely that julius is a lion, and Greg is green.
invalid_hypothesis: There is a better than even chance that julius is a lion, and Greg is green.
hypothesis_assertion: Julius is a lion, and Greg is green.