The addition meant there missing strong in He , surfers .
(ROOT_0 (S_0 (ATS_3 (NP_1 (DT_1 The) (NN_2 addition)) (VP_4 (ATVP_3 (VBD_1 meant) (ADJP_0 (ATADJP_0 (RB_1 there) (JJ_0 missing)) (JJ_1 strong))) (PP_1 (IN_1 in) (NP_2 (ATNP_0 (NP_0 (PRP_1 He)) (COMMA_0 ,)) (NP_4 (NNS_1 surfers)))))) (DOT_0 .)))