They stand over and care refer so get the low knoll in muscle .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 They)) (VP_4 (ATVP_1 (ATVP_2 (VB_0 stand) (PRT_0 (RP_0 over))) (CC_0 and)) (VP_1 (VB_0 care) (S_2 (VP_0 (ATVP_1 (VBP_0 refer) (RB_1 so)) (VP_1 (VB_0 get) (NP_3 (NP_6 (ATNP_1 (DT_0 the) (JJ_1 low)) (NN_1 knoll)) (PP_0 (IN_1 in) (NP_2 (NN_3 muscle)))))))))) (DOT_0 .)))