It is likely that Julius is a frog. It is highly likely that John moved to the office. Chances are slight that Jessica is a cat.
There is a very good chance that either Jessica is a cat, or John moved to the office.
There is a very good chance that either Jessica is a cat, or John moved to the office.
There is little chance that either Jessica is a cat, or John moved to the office.
Either Jessica is a cat, or John moved to the office.