this group refer there help the mountains for a everything .
(ROOT_0 (S_0 (ATS_3 (NP_1 (DT_1 this) (NN_2 group)) (VP_4 (VBP_0 refer) (SBAR_0 (S_1 (NP_0 (EX_0 there)) (VP_5 (VB_0 help) (NP_3 (NP_6 (DT_0 the) (NNS_1 mountains)) (PP_0 (IN_1 for) (NP_5 (DT_0 a) (NN_2 everything))))))))) (DOT_0 .)))