context: Chances are slight that Greg is yellow. It is unlikely that Julius is a lion. It is impossible that Lily is a frog.
hypothesis: Chances are slight that either Greg is yellow, or Lily is a frog.
valid_hypothesis: Chances are slight that either Greg is yellow, or Lily is a frog.
invalid_hypothesis: We believe that either Greg is yellow, or Lily is a frog.
hypothesis_assertion: Either Greg is yellow, or Lily is a frog.