context: It is almost certain that Lily is a lion. Chances are about even that Julius is yellow. It is unlikely that Brian is a swan.
hypothesis: Chances are about even that either Lily is a lion, or Julius is yellow.
valid_hypothesis: Chances are about even that either Lily is a lion, or Julius is yellow.
invalid_hypothesis: It is almost certain that either Lily is a lion, or Julius is yellow.
hypothesis_assertion: Either Lily is a lion, or Julius is yellow.