context: It is highly unlikely that Julius is yellow. We believe that Sandra dropped the apple. Chances are about even that Greg is gray.
hypothesis: It is highly unlikely that julius is yellow, and Sandra dropped the apple.
valid_hypothesis: It is highly unlikely that julius is yellow, and Sandra dropped the apple.
invalid_hypothesis: It is likely that julius is yellow, and Sandra dropped the apple.
hypothesis_assertion: Julius is yellow, and Sandra dropped the apple.