It would keep to take back Thanks .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 It)) (VP_4 (MD_0 would) (VP_1 (VB_0 keep) (S_2 (VP_0 (TO_0 to) (VP_1 (ATVP_0 (VB_0 take) (PRT_0 (RP_0 back))) (NP_3 (NNS_1 Thanks)))))))) (DOT_0 .)))