`` of addition sounded gone of kids .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (TICK_0 ``) (PP_1 (IN_1 of))) (NP_0 (NN_2 addition))) (VP_3 (VBD_1 sounded) (VP_2 (VBN_0 gone) (PP_2 (IN_0 of) (NP_3 (NNS_1 kids)))))) (DOT_0 .)))