(S (S (BASENP (NNP Congress)) (VP (VP (MD must) (VP (VB vote) (PP (IN on) (NP (BASENP (NNP Zelaya) (POS 's)) (NN restitution))))) (CONJP (COMMA ,) (CC but)) (VP (VP (VBZ has) (RB not)) (VP (ADVP (RB yet)) (VP (VBN done) (ADVP (RB so))))))) (PERIOD .))