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(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 It)) (VP_4 (VBN_0 quivered) (PP_2 (IN_0 about) (NP_3 (NP_5 (DT_0 a) (NN_2 school)) (SBAR_0 (S_2 (VP_0 (TO_0 to) (VP_1 (VB_0 be) (VP_2 (VBN_0 used) (PP_2 (IN_0 as) (NP_3 (NP_6 (ATNP_1 (DT_1 The) (NN_3 position)) (NN_1 gravel)) (PP_0 (IN_1 In) (NP_2 (NP_4 (NNS_1 kids)) (VP_2 (ATVP_2 (ATVP_4 (VBG_0 climbing) (NP_0 (PRP_1 she))) (ADVP_0 (RB_0 so))) (ADVP_0 (IN_2 if) (RB_1 n<apostrophe>t)))))))))))))))) (DOT_0 .)))