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(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 I)) (VP_4 (ATVP_4 (ATVP_3 (ATVP_4 (VBN_0 listened) (PP_2 (IN_0 in) (NP_5 (NN_3 attention)))) (PP_1 (IN_1 of) (NP_2 (RB_1 warily)))) (NP_4 (ATNP_0 (NP_5 (DT_0 the) (NN_2 distance)) (COMMA_0 ,)) (NNS_0 parents))) (ADVP_0 (DT_1 The)))) (DOT_0 .)))