(S (S (S (VP (ADVP (RB Successfully)) (VP (VBG defeating) (BASENP (DT the) (NN impeachment))))) (VP (MD will) (VP (VB depend) (PP (ADVP (RB largely)) (PP (IN on) (NP (BASENP (DT the) (NN support)) (PP (IN of) (NP (BASENP (DT the) (NN military)) (COMMA ,) (SBAR (SBAR (WHPP (IN for) (WHNP (WDT which))) (S (BASENP (PRP he)) (VP (VBD acted) (PP (IN as) (BASENP (NN chief)))))) (SBAR (IN until) (S (BASENP (JJ international) (NN pressure)) (VP (VBD forced) (S (BASENP (PRP him)) (VP (TO to) (VP (VP (VB step) (PRT (RP down))) (ADVP (BASENP (DT a) (NN year)) (RB ago))))))))))))))))) (PERIOD .))