There is a better than even chance that Greg is a frog. There is a very good chance that Mary went to the office. Chances are about even that Bill is in the school. There is almost no chance that if Greg is a frog, or Bill is in the school, then Bernhard is gray. Chances are about even that if either Mary went to the office, or Greg is a frog, then Brian is green. It is probably the case that if Mary went to the office, and Bill is in the school, then John discarded the milk.
It is certain that bill is in the school, and Mary went to the office.
Chances are about even that bill is in the school, and Mary went to the office.
It is certain that bill is in the school, and Mary went to the office.
Bill is in the school, and Mary went to the office.