context: It is certain that Brian is a rhino. There is almost no chance that Mary picked up the apple. It is likely that Daniel left the apple. It is probable that if Daniel left the apple, and Mary picked up the apple, then John went to the office. It is probably not the case that if Mary picked up the apple, or Daniel left the apple, then Bernhard is a swan. It is probably the case that if Mary picked up the apple, or Brian is a rhino, then Greg is a frog.
hypothesis: It is almost certain that either Brian is a rhino, or Daniel left the apple.
valid_hypothesis: It is probably not the case that either Brian is a rhino, or Daniel left the apple.
invalid_hypothesis: It is almost certain that either Brian is a rhino, or Daniel left the apple.
hypothesis_assertion: Either Brian is a rhino, or Daniel left the apple.