the surfers of air guess If to stop `` stepping with the muffled guy in a fake .
(ROOT_0 (S_0 (ATS_3 (NP_1 (NP_6 (DT_0 the) (NNS_1 surfers)) (PP_0 (IN_1 of) (NP_5 (NN_3 air)))) (VP_4 (VBP_0 guess) (SBAR_0 (IN_2 If) (S_1 (VP_0 (TO_0 to) (VP_1 (VB_0 stop) (VP_2 (ATVP_4 (TICK_0 ``) (VBG_0 stepping)) (PP_2 (IN_0 with) (NP_3 (NP_6 (ATNP_1 (DT_0 the) (JJ_1 muffled)) (NN_1 guy)) (PP_0 (IN_1 in) (NP_5 (DT_0 a) (NN_2 fake)))))))))))) (DOT_0 .)))