At flats , he dropped their school , on it did his moan .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (PP_2 (IN_0 At) (NP_3 (NNS_1 flats))) (COMMA_0 ,)) (NP_0 (PRP_1 he))) (VP_3 (ATVP_3 (ATVP_2 (VBD_2 dropped) (NP_3 (PRPDOLLAR_0 their) (NN_0 school))) (COMMA_0 ,)) (PP_2 (IN_0 on) (SBAR_0 (S_1 (NP_0 (PRP_1 it)) (VP_5 (VBD_1 did) (NP_3 (PRPDOLLAR_0 his) (NN_0 moan)))))))) (DOT_0 .)))