(S (S (BASENP (DT The) (NNP UK)) (VP (ADVP (RB currently)) (VP (VP (VBZ holds) (NP (BASENP (NN responsibility)) (PP (IN for) (BASENP (DT the) (NNP Nato) (NN airspace))))) (CONJP (COMMA ,) (CC and)) (VP (VP (VP (VBD launched) (BASENP (NN four) (NNP F3) (NNPS Tornados))) (PP (IN from) (NP (BASENP (NNP RAF) (NNP Leeming)) (PP (IN in) (NP (BASENP (NNP North) (NNP Yorkshire)) (COMMA ,) (BASENP (NNP UK))))))) (COMMA ,) (S (VP (TO to) (VP (VB identify) (BASENP (DT the) (NNS bombers))))))))) (PERIOD .))