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(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 She)) (VP_4 (ATVP_1 (MD_0 would) (ADVP_0 (RB_1 not) (RB_1 ahead))) (VP_5 (VBD_1 was) (SBAR_0 (WHNP_0 (WP_0 who)) (S_2 (VP_0 (ATVP_1 (VP_5 (MD_0 can) (VP_1 (VB_0 know))) (CC_0 and)) (NP_5 (NN_3 class)))))))) (DOT_0 .)))