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(ROOT_0 (S_0 (ATS_3 (ATS_4 (ATS_0 (TICK_0 ``) (S_1 (NP_0 (PRP_1 she)) (VP_5 (VBP_0 guess)))) (CC_0 and)) (S_1 (ATS_1 (NP_1 (PRP_0 She)) (ADVP_0 (RB_0 warily))) (VP_3 (ATVP_3 (ATVP_2 (VB_0 let) (NP_4 (JJ_1 gravel))) (COMMA_0 ,)) (S_2 (TO_0 to))))) (DOT_0 .)))