(S (S (NP (BASENP (DT The) (NNS details)) (PP (IN of) (NP (BASENP (DT the) (NNP Prince) (POS 's)) (NN engagement)))) (VP (VBD had) (VP (ADVP (RB previously)) (VP (VBN been) (VP (VP (VBN kept) (S (BASENP (NN secret)))) (PP (IN by) (NP (BASENP (JJ many) (ADJP (JJ British) (CC and) (JJ international)) (NN news) (NNS agencies)) (COMMA ,) (PP (VBG including) (NP (BASENP (DT the) (NNP BBC)) (CC and) (BASENP (DT the) (NNP Associated) (NNP Press))))))))))) (PERIOD .))