context: Chances are slight that Julius is yellow. Chances are slight that Lily is a lion. Chances are slight that Greg is a swan.
hypothesis: We believe that greg is a swan, or Julius is yellow.
valid_hypothesis: We doubt that greg is a swan, or Julius is yellow.
invalid_hypothesis: We believe that greg is a swan, or Julius is yellow.
hypothesis_assertion: Greg is a swan, or Julius is yellow.