I jerked by a surfer than this alpaca Cochabamba of a friend When .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 I)) (VP_4 (ATVP_3 (VBN_0 jerked) (PP_2 (IN_0 by) (NP_3 (NP_5 (DT_0 a) (NN_2 surfer)) (PP_0 (IN_1 than) (NP_2 (ATNP_0 (DT_0 this) (NN_3 alpaca)) (NNP_1 Cochabamba)))))) (PP_1 (IN_1 of) (NP_2 (NP_5 (DT_0 a) (NN_2 friend)) (FRAG_0 (WHADVP_0 (WRB_0 When))))))) (DOT_0 .)))