(S (S (NP (NP (BASENP (DT The) (NN anouncement)) (PP (IN on) (NP (BASENP (DT the) (NN involvement)) (PP (IN of) (BASENP (JJ hostile) (NN fire)))))) (PRN (COMMA ,) (SBAR (WHNP (WDT which)) (S (VP (VBD had) (VP (ADVP (RB previously)) (VP (VBN been) (VP (VBN ruled) (PRT (RP out)))))))) (COMMA ,))) (VP (VBD was) (VP (VP (VBN made) (PP (IN at) (BASENP (NNP Fort) (NNP Drum)))) (PP (ADVP (RB shortly)) (PP (IN after) (NP (BASENP (DT a) (JJ memorial) (NN service)) (PP (IN for) (NP (BASENP (DT the) (NN two) (NNS crews)) (COMMA ,) (SBAR (WHNP (WP who)) (S (VP (VBD had) (VP (VBN been) (VP (VBN based) (ADVP (RB there))))))))))))))) (PERIOD .))