Bob is furry. Charlie is quiet. Dave is young. Fiona is furry. If Bob is not white then Bob is not young. White things are rough. All quiet things are nice. If something is not red then it is rough. If something is red and furry then it is not rough. If something is young and furry then it is not quiet. If something is young then it is rough. If something is not rough then it is young.
Charlie is white.