Bob is big. Bob is green. Bob is kind. Bob is quiet. Charlie is not kind. Dave is not green. Dave is not quiet. Dave is rough. Dave is round. Dave is young. Harry is not big. Harry is green. Harry is quiet. Harry is round. Harry is not young. If Charlie is rough and Charlie is quiet then Charlie is not kind. If something is not young then it is rough. If something is quiet and not round then it is kind.
Bob is young.