I asked her be of water that .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 I)) (VP_4 (VBD_0 asked) (SBAR_0 (S_1 (NP_0 (PRP_1 her)) (VP_5 (ATVP_4 (VB_0 be) (PP_1 (IN_1 of) (NP_2 (NN_3 water)))) (ADVP_0 (DT_1 that))))))) (DOT_0 .)))