(S (S (S (NP (BASENP (NN Two) (NNP US) (NNS soldiers)) (VP (VP (VBN killed) (PP (IN in) (BASENP (NNP Afghanistan)))) (BASENP (NN yesterday)))) (VP (VBD were) (VP (VP (VBN shot) (PP (IN by) (BASENP (DT an) (JJ Afghan) (NN interpreter)))) (PP (IN in) (NP (BASENP (NNP Wardek) (NN province)) (NP (BASENP (NN south-west)) (PP (IN of) (BASENP (NNP Kabul))))))))) (COMMA ,) (PP (VBG according) (PP (TO to) (BASENP (NNP NATO))))) (PERIOD .))