Still warily and he should stand .
(ROOT_0 (S_0 (ATS_3 (ATS_4 (ATS_0 (ADVP_0 (RB_0 Still)) (ADVP_0 (RB_0 warily))) (CC_0 and)) (S_1 (NP_0 (PRP_1 he)) (VP_5 (MD_0 should) (VP_1 (VB_0 stand))))) (DOT_0 .)))