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(ROOT_0 (S_0 (ATS_3 (NP_1 (DT_1 The) (NN_2 thunder)) (VP_4 (VBP_0 refer) (SBAR_0 (S_1 (NP_0 (DT_1 this) (NN_2 breakfast)) (VP_5 (ATVP_3 (VBD_2 felt) (PRT_0 (RP_0 up))) (PP_0 (IN_1 as) (NP_5 (DT_0 a) (NN_2 powdery)))))))) (DOT_0 .)))