Bob is blue. Bob is quiet. Bob is smart. Charlie is not blue. Charlie is furry. Charlie is nice. Charlie is quiet. Charlie is rough. Charlie is smart. Charlie is white. If something is quiet then it is furry. If Bob is quiet and Bob is rough then Bob is nice. If something is white and not quiet then it is furry. If Charlie is not white then Charlie is rough. If something is white and rough then it is nice. If something is not rough and not nice then it is smart.
Bob is white.