Charlie is rough. Dave is quiet. Harry is white. If someone is round and rough then they are white. All quiet, white people are blue. If someone is not rough then they are blue. All kind people are furry. If someone is quiet then they are not rough. If someone is furry then they are not kind. If someone is not blue then they are not kind. If someone is not blue and not white then they are not furry.
Charlie is not rough.