Bob is young. Bob is rough. Bob is green. Dave is rough. Harry is rough. Harry is kind. Harry is green. Harry is cold. If someone is round and rough then they are kind. If someone is green then they are round. If someone is kind and young and round then they are blue. If someone is nice and red then they are kind. If someone is young and cold then they are kind. If someone is young and kind then they are cold.
Dave is young.