context: There is a very good chance that Mary went to the office. It is almost certain that Daniel left the football. It is probably the case that Jeff dropped the apple. It is highly unlikely that if either Jeff dropped the apple, or Mary went to the office, then Julius is green. It is impossible that if either Mary went to the office, or Jeff dropped the apple, then Bernhard is a lion. There is a better than even chance that if either Mary went to the office, or Daniel left the football, then John picked up the milk.
hypothesis: It is certain that jeff dropped the apple, or Daniel left the football.
valid_hypothesis: It is certain that jeff dropped the apple, or Daniel left the football.
invalid_hypothesis: It is probably not the case that jeff dropped the apple, or Daniel left the football.
hypothesis_assertion: Jeff dropped the apple, or Daniel left the football.