Bob is cold. Bob is quiet. Bob is red. Bob is not rough. Bob is white. Charlie is cold. Charlie is quiet. Charlie is round. Charlie is smart. Dave is cold. Dave is quiet. Dave is red. Dave is smart. Dave is not white. Gary is not quiet. Gary is round. If someone is quiet and not white then they are round. If Dave is smart then Dave is cold. If someone is round then they are cold. All smart, white people are round. If someone is smart and round then they are not white. All quiet people are round. All smart, cold people are round. If someone is not round then they are cold.
Gary is not white.