They refer from died by a water hat together , down .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 They)) (VP_4 (ATVP_0 (VP_5 (VBP_0 refer) (PP_2 (IN_0 from) (SBAR_0 (VP_0 (ATVP_4 (VBD_2 died) (PP_2 (IN_0 by) (NP_6 (ATNP_1 (DT_0 a) (NN_3 water)) (NN_1 hat)))) (ADVP_0 (RB_0 together)))))) (COMMA_0 ,)) (PRT_0 (RP_0 down)))) (DOT_0 .)))