I gone Of In the first cluster of trips .
(ROOT_0 (S_0 (ATS_3 (NP_0 (PRP_1 I)) (VP_2 (VBN_0 gone) (PP_2 (IN_0 Of) (PP_2 (IN_0 In) (NP_3 (NP_6 (ATNP_1 (DT_0 the) (JJ_1 first)) (NN_1 cluster)) (PP_0 (IN_1 of) (NP_4 (NNS_1 trips)))))))) (DOT_0 .)))