The stuff discovered as to been I .
(ROOT_0 (S_0 (ATS_3 (NP_1 (DT_1 The) (NN_2 stuff)) (VP_4 (VBD_0 discovered) (SBAR_0 (IN_2 as) (S_1 (VP_0 (TO_0 to) (VP_1 (VBN_0 been) (NP_1 (PRP_0 I)))))))) (DOT_0 .)))