that arm was then speak off then .
(ROOT_0 (S_0 (ATS_3 (NP_1 (DT_1 that) (NN_2 arm)) (VP_4 (ATVP_1 (VBD_1 was) (RB_1 then)) (VP_1 (ATVP_2 (VB_0 speak) (PRT_0 (RP_0 off))) (ADVP_0 (RB_0 then))))) (DOT_0 .)))