Anne is not blue. Anne is not furry. Anne is quiet. Anne is round. Anne is white. Anne is young. Bob is blue. Bob is not furry. Bob is rough. Erin is furry. Erin is not rough. Erin is round. Erin is white. Gary is furry. Gary is not round. If something is not white then it is quiet. If Gary is quiet then Gary is blue. Blue things are quiet.
Gary is not blue.