(S (S (BASENP (DT The) (NN conference)) (VP (VP (VP (VBD began) (ADVP (RB informally))) (BASENP (JJ last) (NN night))) (PP (IN with) (NP (BASENP (DT a) (NN dinner)) (VP (VBN hosted) (PP (IN by) (NP (NP (NNP US) (NP (BASENP (NNP Secretary)) (PP (IN of) (BASENP (NNP State))))) (BASENP (NNP Condoleezza) (NNP Rice))))))))) (PERIOD .))