himself is this seven-hour Because he nap .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 himself)) (VP_4 (VBZ_0 is) (NP_6 (ATNP_1 (DT_0 this) (ADJP_0 (JJ_1 seven-hour) (PP_1 (IN_1 Because) (NP_0 (PRP_1 he))))) (NN_1 nap)))) (DOT_0 .)))