context: It is probably the case that Brian is white. Chances are slight that Greg is yellow. It is highly unlikely that Julius is a lion.
hypothesis: Chances are slight that either Julius is a lion, or Greg is yellow.
valid_hypothesis: Chances are slight that either Julius is a lion, or Greg is yellow.
invalid_hypothesis: It is likely that either Julius is a lion, or Greg is yellow.
hypothesis_assertion: Either Julius is a lion, or Greg is yellow.