Bob is furry. Bob is quiet. Bob is rough. Bob is white. Charlie is quiet. Charlie is white. Dave is furry. Dave is quiet. Dave is rough. Dave is round. Dave is smart. Dave is white. Dave is young. Gary is rough. Gary is white. If Bob is round then Bob is quiet. Smart, round things are rough. Smart, young things are quiet. All smart things are round. Young things are quiet. If something is furry and not rough then it is white.
Charlie is furry.