I is eight months tried out of finger .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 I)) (VP_4 (VBZ_0 is) (S_1 (NP_0 (CD_0 eight) (NNS_0 months)) (VP_5 (ATVP_3 (VBD_2 tried) (PRT_0 (RP_0 out))) (PP_0 (IN_1 of) (NP_2 (NN_3 finger))))))) (DOT_0 .)))