context: There is little chance that Greg is a lion. It is highly likely that John dropped the apple. It is almost certain that Brian is a frog. There is a better than even chance that if either Brian is a frog, or Greg is a lion, then Daniel left the football. It is unlikely that if Greg is a lion, and Brian is a frog, then Lily is green. It is almost certain that if Brian is a frog, and Greg is a lion, then Bernhard is a swan.
hypothesis: There is a better than even chance that either Daniel left the football, or Greg is a lion.
valid_hypothesis: There is a better than even chance that either Daniel left the football, or Greg is a lion.
invalid_hypothesis: There is little chance that either Daniel left the football, or Greg is a lion.
hypothesis_assertion: Either Daniel left the football, or Greg is a lion.