a arm happened `` dripping Behind the powdery .
(ROOT_0 (S_0 (ATS_3 (NP_1 (DT_0 a) (NN_2 arm)) (VP_4 (VBD_0 happened) (SBAR_0 (VP_0 (ATVP_4 (TICK_0 ``) (VBG_0 dripping)) (PP_2 (IN_0 Behind) (NP_5 (DT_0 the) (NN_2 powdery))))))) (DOT_0 .)))