(S (S (NP (BASENP (NNP Lt) (NNP Col) (NNP John) (NNP Inge) (NNP Oegland)) (PRN (COMMA ,) (NP (BASENP (NN spokesman)) (PP (IN for) (BASENP (DT the) (JJ Norwegian) (JJ armed) (NNS forces)))) (COMMA ,))) (VP (VBD said) (SBAR (SBAR (S (BASENP (EX there)) (VP (VBD had) (VP (VP (VBN been) (BASENP (JJ several) (JJ similar) (NNS incidents))) (PP (IN in) (BASENP (JJ recent) (NNS months))))))) (CONJP (COMMA ,) (CC but)) (SBAR (IN that) (S (BASENP (DT the) (JJ Russian) (NNS flights)) (VP (VP (VBD were) (RB not)) (VP (VP (VBG causing) (BASENP (NN alarm))) (PP (IN in) (BASENP (NNP Norway)))))))))) (PERIOD .))