this fake was warm , by classes shaking back .
(ROOT_0 (S_0 (ATS_3 (NP_1 (DT_1 this) (NN_2 fake)) (VP_4 (VBD_1 was) (ADJP_0 (ATADJP_0 (JJ_1 warm) (COMMA_0 ,)) (PP_1 (IN_1 by) (NP_2 (NP_4 (NNS_1 classes)) (VP_2 (VBG_0 shaking) (PRT_0 (RP_0 back)))))))) (DOT_0 .)))