(S (S (BASENP (DT The) (NN evening)) (VP (VBD began) (PP (IN with) (NP (NP (BASENP (DT an) (NN introduction)) (PP (IN by) (BASENP (JJ 12-year-old) (NN co-hostess) (NNP Ioana) (NNP Ivan)))) (VP (VBN followed) (PP (IN by) (BASENP (DT an) (JJ elaborate) (NN dance) (NN routine)))))))) (PERIOD .))