context: There is a very good chance that Brian is a swan. There is almost no chance that Daniel left the football. It is certain that John dropped the apple. It is impossible that if either John dropped the apple, or Daniel left the football, then Lily is a rhino. We believe that if John dropped the apple, or Daniel left the football, then Bernhard is white. It is probably the case that if John dropped the apple, or Brian is a swan, then Julius is a lion.
hypothesis: We believe that either Bernhard is white, or Daniel left the football.
valid_hypothesis: We believe that either Bernhard is white, or Daniel left the football.
invalid_hypothesis: There is little chance that either Bernhard is white, or Daniel left the football.
hypothesis_assertion: Either Bernhard is white, or Daniel left the football.