I do on a air by the phrase speak .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_1 I)) (VP_4 (ATVP_1 (VBP_0 do) (PP_2 (IN_0 on) (NP_3 (NP_5 (DT_0 a) (NN_2 air)) (PP_0 (IN_1 by) (NP_5 (DT_0 the) (NN_2 phrase)))))) (VP_1 (VB_0 speak)))) (DOT_0 .)))