(S (S (SBAR (RB Soon) (SBAR (IN after) (S (NP (BASENP (DT the) (NN assault)) (PP (IN on) (BASENP (DT the) (NNP FIA)))) (VP (VBD began))))) (COMMA ,) (S (BASENP (NNS gunmen)) (VP (VBD targeted) (NP (BASENP (NN two) (NN police) (NN training) (NNS centers)) (PP (IN on) (NP (BASENP (DT the) (NNS outskirts)) (PP (IN of) (BASENP (NNP Lahore))))))))) (PERIOD .))