context: It is highly likely that Mary moved to the office. We believe that John put down the milk. It is improbable that Brian is a lion. It is likely that if Mary moved to the office, and Brian is a lion, then Antoine is bored. It is almost certain that if either Mary moved to the office, or Brian is a lion, then Julius is a swan. We doubt that if John put down the milk, and Mary moved to the office, then Bernhard is green.
hypothesis: Chances are about even that brian is a lion, and Bernhard is green.
valid_hypothesis: There is almost no chance that brian is a lion, and Bernhard is green.
invalid_hypothesis: Chances are about even that brian is a lion, and Bernhard is green.
hypothesis_assertion: Brian is a lion, and Bernhard is green.