that friends mutter since `` the kind , he howled .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (SBAR_0 (IN_2 that) (S_1 (NP_1 (NNS_0 friends)) (VP_5 (VBP_0 mutter) (PP_2 (ATPP_0 (IN_2 since) (TICK_0 ``)) (NP_5 (DT_0 the) (NN_2 kind)))))) (COMMA_0 ,)) (NP_0 (PRP_1 he))) (VP_3 (VBD_0 howled))) (DOT_0 .)))