Charlie is furry. Charlie is quiet. Charlie is not rough. Charlie is white. Gary is blue. Gary is not furry. Gary is green. Gary is not quiet. Gary is rough. Gary is not young. If something is rough then it is green. All furry things are white. If Gary is quiet then Gary is white. Blue, green things are white. All young, green things are white. If Gary is not furry then Gary is blue. If Charlie is quiet then Charlie is not blue. If something is quiet and not white then it is young.
Charlie is green.