context: There is a better than even chance that Mary went to the office. It is highly likely that Daniel left the football. It is likely that Greg is a swan. It is highly unlikely that if Mary went to the office, and Daniel left the football, then Lily is white. There is almost no chance that if Mary went to the office, and Daniel left the football, then Brian is a frog. It is probably the case that if Daniel left the football, or Mary went to the office, then Julius is white.
hypothesis: There is little chance that either Lily is white, or Mary went to the office.
valid_hypothesis: There is a better than even chance that either Lily is white, or Mary went to the office.
invalid_hypothesis: There is little chance that either Lily is white, or Mary went to the office.
hypothesis_assertion: Either Lily is white, or Mary went to the office.