It is likely that Bernhard is a lion. It is probably not the case that Julius is a swan. There is little chance that John discarded the apple.
It is probably the case that either John discarded the apple, or Julius is a swan.
It is probably not the case that either John discarded the apple, or Julius is a swan.
It is probably the case that either John discarded the apple, or Julius is a swan.
Either John discarded the apple, or Julius is a swan.