They should shifted around they stand over .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 They)) (VP_4 (MD_0 should) (VP_1 (VBN_0 shifted) (SBAR_0 (IN_2 around) (S_1 (NP_0 (PRP_1 they)) (VP_5 (VB_0 stand) (PRT_0 (RP_0 over)))))))) (DOT_0 .)))