(S (S (NP (BASENP (NNP Emperor) (NNP Akihito)) (PRN (COMMA ,) (PP (ADVP (RB currently)) (PP (IN on) (NP (BASENP (DT a) (NN tour)) (PP (IN of) (BASENP (NNP Hokkaido)))))) (COMMA ,))) (VP (VBD welcomed) (BASENP (DT the) (NN birth)))) (PERIOD .))