Chances are slight that Julie is in the office. It is almost certain that Jessica is a wolf. It is highly unlikely that Julius is a frog. It is unlikely that if Jessica is a wolf, and Julius is a frog, then Bernhard is green. It is probable that if Julie is in the office, and Julius is a frog, then Mary dropped the milk. It is likely that if Jessica is a wolf, or Julius is a frog, then Sandra grabbed the apple.
It is probable that either Mary dropped the milk, or Sandra grabbed the apple.
It is probable that either Mary dropped the milk, or Sandra grabbed the apple.
There is almost no chance that either Mary dropped the milk, or Sandra grabbed the apple.
Either Mary dropped the milk, or Sandra grabbed the apple.