(S (S (BASENP (DT The) (NN pilot)) (VP (VBD had) (VP (VP (VP (VBN contacted) (NP (BASENP (NNP Air) (NNP Traffic) (NNP Control)) (PRN (LRB -LRB-) (BASENP (NNP ATC)) (RRB -RRB-)))) (S (VP (TO to) (VP (VB report) (BASENP (NN engine) (NNS problems)))))) (CC and) (VP (VBN requested) (NP (BASENP (NN permission)) (SBAR (S (VP (TO to) (VP (VB conduct) (NP (BASENP (DT an) (JJ emergency) (NN landing)) (PP (IN at) (BASENP (JJ nearby) (NNP Rumbek))))))))))))) (PERIOD .))