context: It is impossible that Mary put down the milk. There is almost no chance that Daniel left the football. It is unlikely that Brian is a swan. It is probable that if Daniel left the football, or Brian is a swan, then Jessica is a sheep. We doubt that if Brian is a swan, and Mary put down the milk, then Julius is white. We doubt that if Mary put down the milk, or Brian is a swan, then Emily is a wolf.
hypothesis: We doubt that brian is a swan, or Mary put down the milk.
valid_hypothesis: We doubt that brian is a swan, or Mary put down the milk.
invalid_hypothesis: We believe that brian is a swan, or Mary put down the milk.
hypothesis_assertion: Brian is a swan, or Mary put down the milk.