(S (S (BASENP (NNP United) (NNPS States) (NNP President) (NNP Barack) (NNP Obama)) (VP (VBZ is) (VP (VBG seeking) (NP (BASENP (DT a) (QT (DQL ``) (JJ comprehensive) (NN exit) (NN strategy) (DQR ''))) (PP (IN from) (BASENP (DT the) (NNP Afghanistan) (NN war))))))) (PERIOD .))