context: We doubt that Lily is a swan. It is certain that Mary got the football. We doubt that Greg is yellow. It is almost certain that if either Lily is a swan, or Mary got the football, then Brian is a lion. It is certain that if Mary got the football, and Lily is a swan, then John put down the apple. There is a very good chance that if Lily is a swan, or Mary got the football, then Julius is green.
hypothesis: It is highly likely that john put down the apple, or Greg is yellow.
valid_hypothesis: It is probably not the case that john put down the apple, or Greg is yellow.
invalid_hypothesis: It is highly likely that john put down the apple, or Greg is yellow.
hypothesis_assertion: John put down the apple, or Greg is yellow.