I piled have one Within the group .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 I)) (VP_4 (VBD_2 piled) (S_2 (VP_0 (ATVP_4 (VB_0 have) (NP_2 (CD_0 one))) (PP_2 (IN_0 Within) (NP_5 (DT_0 the) (NN_2 group))))))) (DOT_0 .)))