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(ROOT_0 (S_0 (ATS_3 (ATS_1 (RB_1 Then) (NP_5 (DT_0 the) (NN_2 valley))) (VP_3 (VBD_0 thought) (SBAR_0 (WHNP_0 (WP_0 who)) (S_2 (VP_0 (TO_0 to) (VP_1 (VB_0 be) (VP_2 (VBN_0 listened) (S_2 (VP_0 (ATVP_0 (VB_0 ruin) (PRT_0 (RP_0 up))) (NP_2 (NN_3 group))))))))))) (DOT_0 .)))