context: We doubt that Bernhard is green. There is a very good chance that John left the apple. There is little chance that Daniel put down the milk. It is impossible that if John left the apple, and Daniel put down the milk, then Julius is a lion. It is probably the case that if either John left the apple, or Daniel put down the milk, then Mary went to the office. It is unlikely that if either Daniel put down the milk, or Bernhard is green, then Brian is a frog.
hypothesis: Chances are slight that either John left the apple, or Julius is a lion.
valid_hypothesis: There is a very good chance that either John left the apple, or Julius is a lion.
invalid_hypothesis: Chances are slight that either John left the apple, or Julius is a lion.
hypothesis_assertion: Either John left the apple, or Julius is a lion.