context: We doubt that Sandra grabbed the milk. It is impossible that Julius is gray. We believe that Brian is a lion.
hypothesis: We believe that sandra grabbed the milk, and Brian is a lion.
valid_hypothesis: Chances are slight that sandra grabbed the milk, and Brian is a lion.
invalid_hypothesis: We believe that sandra grabbed the milk, and Brian is a lion.
hypothesis_assertion: Sandra grabbed the milk, and Brian is a lion.