on later lower of the muffled flats months had off with face-up , <apostrophe><apostrophe>
(ROOT_0 (S_0 (ATS_2 (PP_2 (IN_0 on) (NP_3 (NP_6 (RB_1 later) (JJR_0 lower)) (PP_0 (IN_1 of) (NP_2 (ATNP_2 (ATNP_1 (DT_0 the) (JJ_1 muffled)) (NNS_0 flats)) (SBAR_0 (S_1 (NP_1 (NNS_0 months)) (VP_5 (ATVP_3 (VBD_2 had) (PRT_0 (RP_0 off))) (PP_0 (IN_1 with) (NP_5 (NN_3 face-up)))))))))) (COMMA_0 ,)) (APOSTROPHE_0 <apostrophe><apostrophe>)))