Chances are about even that Julius is a rhino. There is a very good chance that Mary went to the office. There is a very good chance that John picked up the apple. There is almost no chance that if Mary went to the office, and John picked up the apple, then Lily is a lion. We believe that if Julius is a rhino, and Mary went to the office, then Bernhard is a frog. It is probably not the case that if either Julius is a rhino, or John picked up the apple, then Bill is in the school.
There is a very good chance that bill is in the school, or Mary went to the office.
There is a very good chance that bill is in the school, or Mary went to the office.
Chances are slight that bill is in the school, or Mary went to the office.
Bill is in the school, or Mary went to the office.