This phrase blackened being never sure in the phrase in not .
(ROOT_0 (S_0 (ATS_3 (NP_1 (DT_1 This) (NN_2 phrase)) (VP_4 (VBN_0 blackened) (S_2 (VP_0 (ATVP_4 (VBG_0 being) (ADJP_0 (RB_0 never) (JJ_0 sure))) (PP_2 (IN_0 in) (NP_3 (NP_5 (DT_0 the) (NN_2 phrase)) (PP_0 (IN_1 in) (NP_2 (RB_1 not))))))))) (DOT_0 .)))