to speak mattered of one flats , a group mumbled up on afraid knit .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (SBAR_0 (S_2 (VP_0 (TO_0 to) (VP_1 (VB_0 speak) (VP_2 (VBN_0 mattered) (PP_0 (IN_1 of) (NP_2 (CD_0 one) (NNS_0 flats)))))))) (COMMA_0 ,)) (NP_0 (DT_0 a) (NN_2 group))) (VP_3 (ATVP_3 (VBD_2 mumbled) (PRT_0 (RP_0 up))) (PP_0 (IN_0 on) (NP_5 (JJ_1 afraid) (NN_0 knit))))) (DOT_0 .)))