context: It is likely that Mary went to the kitchen. Chances are about even that Brian is white. It is certain that John put down the milk. It is impossible that if either Brian is white, or Mary went to the kitchen, then Emily is a cat. It is probable that if Mary went to the kitchen, or Brian is white, then Julius is green. We believe that if Mary went to the kitchen, and John put down the milk, then Antoine is thirsty.
hypothesis: There is a better than even chance that julius is green, and John put down the milk.
valid_hypothesis: There is a better than even chance that julius is green, and John put down the milk.
invalid_hypothesis: There is almost no chance that julius is green, and John put down the milk.
hypothesis_assertion: Julius is green, and John put down the milk.