Dave is rough. Fiona is blue. Fiona is kind. Fiona is quiet. Fiona is rough. Fiona is smart. Fiona is not white. Fiona is young. Gary is kind. Gary is rough. Harry is kind. Harry is quiet. Harry is not rough. Harry is smart. Harry is white. Harry is not young. If Harry is not blue then Harry is white. If someone is kind and not blue then they are smart. If someone is not kind and not smart then they are young.
Gary is not young.