He died off hike legs the group .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 He)) (VP_4 (ATVP_3 (VBD_2 died) (PRT_0 (RP_0 off))) (S_2 (NP_1 (NN_1 hike) (NNS_0 legs)) (NP_5 (DT_0 the) (NN_2 group))))) (DOT_0 .)))