it was not moved up than surfers .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_1 it)) (VP_4 (ATVP_1 (VBD_1 was) (RB_1 not)) (VP_1 (ATVP_3 (VBD_2 moved) (PRT_0 (RP_0 up))) (PP_0 (IN_1 than) (NP_4 (NNS_1 surfers)))))) (DOT_0 .)))