(S (S (PP (IN In) (NP (BASENP (DT the) (NN suburb)) (PP (IN of) (BASENP (NNP Manawa))))) (COMMA ,) (S (BASENP (NNS gunmen)) (VP (VBD targeted) (NP (BASENP (DT a) (NN center)) (SBAR (WHNP (WDT that)) (S (BASENP (NNS militants)) (VP (VBD attacked) (BASENP (RBR earlier) (DT this) (NN year))))))))) (PERIOD .))