the face-up surfers left them to doing over the guy than the air .
(ROOT_0 (S_0 (ATS_3 (NP_1 (ATNP_0 (DT_0 the) (NN_3 face-up)) (NNS_0 surfers)) (VP_4 (VBD_2 left) (S_2 (NP_1 (PRP_0 them)) (VP_0 (TO_0 to) (VP_1 (ATVP_0 (VBG_0 doing) (PRT_0 (RP_0 over))) (NP_3 (NP_5 (DT_0 the) (NN_2 guy)) (PP_0 (IN_1 than) (NP_5 (DT_0 the) (NN_2 air))))))))) (DOT_0 .)))