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(ROOT_0 (S_0 (ATS_3 (ATS_4 (S_1 (NP_0 (PRP_1 he)) (VP_5 (ATVP_4 (ATVP_3 (VBD_2 was) (PRT_0 (RP_0 up))) (PP_0 (IN_1 of) (NP_2 (NN_3 beak)))) (ADVP_0 (ATADVP_11 (JJR_0 higher) (CC_0 and)) (JJR_0 higher)))) (CC_0 and)) (S_1 (NP_0 (DT_1 The)) (VP_5 (ATVP_3 (VBD_2 left) (PRT_0 (RP_0 up))) (SBAR_0 (WHADVP_0 (WRB_0 how)) (S_1 (NP_1 (ATNP_0 (NP_6 (DT_0 the) (NNS_1 mountains)) (COMMA_0 ,)) (S_2 (VP_0 (TO_0 to) (VP_1 (VB_0 march) (NP_1 (DT_1 that) (NN_2 something)))))) (VP_5 (ATVP_1 (VBD_1 was) (RB_1 much)) (VP_1 (VB_0 keep)))))))) (DOT_0 .)))