since dude mumbled get . <apostrophe><apostrophe>
(ROOT_0 (S_0 (ATS_2 (ATS_3 (NP_1 (IN_2 since) (NN_3 dude)) (VP_4 (VBD_2 mumbled) (S_2 (VB_0 get)))) (DOT_0 .)) (APOSTROPHE_0 <apostrophe><apostrophe>)))