It is highly unlikely that Emily is a sheep. Chances are slight that Jeff went to the office. It is probably not the case that Bernhard is a swan. Chances are slight that if either Bernhard is a swan, or Jeff went to the office, then Sandra got the apple. There is a very good chance that if Emily is a sheep, and Bernhard is a swan, then Julius is yellow. There is almost no chance that if either Jeff went to the office, or Emily is a sheep, then John grabbed the milk.
It is highly unlikely that either Sandra got the apple, or Julius is yellow.
It is highly unlikely that either Sandra got the apple, or Julius is yellow.
It is certain that either Sandra got the apple, or Julius is yellow.
Either Sandra got the apple, or Julius is yellow.