context: Chances are slight that Greg is a swan. It is improbable that Antoine is hungry. There is almost no chance that Julius is white. There is almost no chance that if either Antoine is hungry, or Greg is a swan, then Lily is a frog. We believe that if either Antoine is hungry, or Julius is white, then Brian is a lion. It is unlikely that if Antoine is hungry, and Greg is a swan, then Bernhard is a rhino.
hypothesis: It is probably the case that antoine is hungry, or Brian is a lion.
valid_hypothesis: Chances are slight that antoine is hungry, or Brian is a lion.
invalid_hypothesis: It is probably the case that antoine is hungry, or Brian is a lion.
hypothesis_assertion: Antoine is hungry, or Brian is a lion.