context: Chances are slight that Antoine is bored. There is a very good chance that Greg is a swan. It is improbable that Brian is a lion. There is a very good chance that if Brian is a lion, or Greg is a swan, then Julius is gray. We believe that if Antoine is bored, or Greg is a swan, then Lily is a rhino. It is probably the case that if Antoine is bored, or Brian is a lion, then Mary put down the apple.
hypothesis: We believe that either Greg is a swan, or Antoine is bored.
valid_hypothesis: We believe that either Greg is a swan, or Antoine is bored.
invalid_hypothesis: It is probably not the case that either Greg is a swan, or Antoine is bored.
hypothesis_assertion: Either Greg is a swan, or Antoine is bored.