`` at in every surfer climbing group heard .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_0 (TICK_0 ``) (PP_2 (IN_0 at) (PP_2 (IN_0 in) (NP_3 (NP_5 (DT_0 every) (NN_2 surfer)) (SBAR_0 (S_2 (VP_0 (VBG_0 climbing)))))))) (NP_0 (NN_2 group))) (VP_3 (VBD_0 heard))) (DOT_0 .)))