(S (S (S (VP (VBG Flying) (PP (IN on) (BASENP (DT a) (VBN chartered) (JJ private) (NN jet))))) (COMMA ,) (S (NP (BASENP (NNP Osman)) (CC and) (BASENP (PRPD his) (NN escort))) (VP (VBD landed) (PP (IN at) (NP (BASENP (NNP RAF) (NNP Northolt)) (COMMA ,) (SBAR (WHADVP (WRB where)) (S (BASENP (NNP Osman)) (VP (VBD was) (VP (VBN charged) (PP (IN on) (BASENP (NN arrival)))))))))))) (PERIOD .))