He were back be attended later the diamond .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 He)) (VP_4 (ATVP_1 (VBD_1 were) (RB_1 back)) (VP_1 (VB_0 be) (S_2 (VP_0 (ATVP_1 (VBD_1 attended) (RB_1 later)) (NP_5 (DT_0 the) (NN_2 diamond))))))) (DOT_0 .)))