(S (S (S (BASENP (PRP It)) (VP (VBZ comes))) (SBAR (BASENP (RB just) (NN two) (NNS years)) (SBAR (IN after) (S (BASENP (NNP Pettitte) (CC and) (NNP Clemens)) (VP (VBD joined) (BASENP (PRPD their) (NN hometown) (NN team))))))) (PERIOD .))