He Not could Maybe is by the stuff how .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (NP_1 (PRP_0 He)) (ADVP_0 (RB_0 Not))) (VP_3 (ATVP_1 (MD_0 could) (ADVP_0 (RB_0 Maybe))) (VP_5 (VBZ_0 is) (PP_1 (IN_1 by) (NP_2 (NP_5 (DT_0 the) (NN_2 stuff)) (FRAG_0 (WHADVP_0 (WRB_0 how)))))))) (DOT_0 .)))