on an lot , he did one friends .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (PP_2 (IN_0 on) (NP_5 (DT_0 an) (NN_2 lot))) (COMMA_0 ,)) (NP_0 (PRP_1 he))) (VP_3 (VBD_1 did) (NP_2 (CD_0 one) (NNS_0 friends)))) (DOT_0 .)))