(S (S (BASENP (DT The) (JJ deputy) (JJ first) (NN minister)) (VP (VBZ is) (VP (VBN speculated) (S (VP (TO to) (VP (VB be) (NP (BASENP (NNP Martin) (NNP McGuinness)) (COMMA ,) (NP (BASENP (DT the) (JJ deputy) (NN leader)) (PP (IN of) (BASENP (NNP Sinn) (NNP Fein))))))))))) (PERIOD .))