We believe that Lily is a frog. It is probably the case that Julius is white. It is improbable that John discarded the apple. It is impossible that if Julius is white, and Lily is a frog, then Bill went to the bedroom. We believe that if Lily is a frog, and Julius is white, then Brian is gray. It is highly unlikely that if Lily is a frog, or John discarded the apple, then Greg is a lion.
It is probable that either John discarded the apple, or Julius is white.
It is probable that either John discarded the apple, or Julius is white.
It is probably not the case that either John discarded the apple, or Julius is white.
Either John discarded the apple, or Julius is white.