context: There is a very good chance that Bernhard is a frog. It is certain that Greg is a rhino. It is unlikely that John left the apple. It is unlikely that if Bernhard is a frog, or John left the apple, then Brian is a lion. There is almost no chance that if John left the apple, or Greg is a rhino, then Mary dropped the milk. It is probable that if John left the apple, and Greg is a rhino, then Julius is white.
hypothesis: It is probably the case that either John left the apple, or Brian is a lion.
valid_hypothesis: It is probably not the case that either John left the apple, or Brian is a lion.
invalid_hypothesis: It is probably the case that either John left the apple, or Brian is a lion.
hypothesis_assertion: Either John left the apple, or Brian is a lion.