(S (S (BASENP (PRP It)) (VP (VBD was) (VP (VBN replaced) (PP (IN by) (NP (NP (NP (BASENP (DT a) (NN series)) (PP (IN of) (BASENP (ADJP (RB privately) (VBN owned)) (JJ regional) (NN train) (NNS franchises)))) (PP (IN for) (BASENP (NN set) (NNS periods)))) (COMMA ,) (NP (NP (JJ several) (NP (JJ unfranchised) (BASENP (JJ open) (NN access) (NNS services)))) (CC and) (NP (DT a) (NP (NP (NN track) (BASENP (NN control) (CC and) (NN maintenance))) (NN company))))))))) (PERIOD .))