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(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (PP_2 (IN_0 under) (NP_3 (NP_5 (DT_0 a) (NN_2 lot)) (PP_0 (IN_0 in) (NP_5 (DT_0 an) (NN_2 freezing))))) (COMMA_0 ,)) (NP_0 (PRP_1 she))) (VP_3 (VBD_0 did))) (DOT_0 .)))