he loved who the surfer to looked back happened that for .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_1 he)) (VP_4 (VBD_0 loved) (SBAR_0 (WHNP_0 (WP_0 who)) (S_2 (NP_1 (DT_0 the) (NN_2 surfer)) (VP_0 (TO_0 to) (VP_1 (ATVP_1 (VBD_1 looked) (ADVP_0 (RB_0 back))) (VP_1 (ATVP_2 (VBN_0 happened) (ADVP_0 (DT_1 that))) (PP_1 (IN_1 for))))))))) (DOT_0 .)))