(S (S (BASENP (NNP Corporal) (NNP David) (NNP Braun)) (VP (VBD was) (VP (VBN killed) (PP (IN in) (NP (BASENP (DT the) (NN suicide) (NN attack)) (SBAR (WHNP (WDT which)) (S (VP (VBD occurred) (NP (BASENP (NN two) (NNS hours)) (PP (IN before) (BASENP (DT the) (NN shooting)))))))))))) (PERIOD .))