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(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 It)) (VP_4 (VBP_0 mutter) (SBAR_0 (WHNP_0 (WDT_0 that)) (S_2 (VP_0 (TO_0 to) (VP_1 (ATVP_0 (VB_0 leave) (PRT_0 (RP_0 down))) (NP_3 (NNS_1 Thanks)))))))) (DOT_0 .)))