We doubt that Bill went to the bedroom. It is unlikely that Brian is a lion. It is probably the case that Lily is a frog. It is almost certain that if Brian is a lion, and Bill went to the bedroom, then John discarded the milk. There is a better than even chance that if Lily is a frog, or Bill went to the bedroom, then Julius is green. It is certain that if either Bill went to the bedroom, or Lily is a frog, then Mary dropped the milk.
Chances are about even that either Julius is green, or Bill went to the bedroom.
Chances are about even that either Julius is green, or Bill went to the bedroom.
It is certain that either Julius is green, or Bill went to the bedroom.
Either Julius is green, or Bill went to the bedroom.