(S (S (BASENP (DT The) (NN attack)) (VP (VBZ is) (VP (VBN considered) (ADJP (JJ unrelated) (PP (TO to) (NP (BASENP (NN two) (JJ other) (NN hate) (NNS crimes)) (SBAR (WHNP (WDT which)) (S (VP (VP (VBD occurred) (BASENP (DT this) (NN month))) (PP (IN in) (NP (BASENP (DT the) (NNP Northwest) (NN quadrant)) (PP (IN of) (BASENP (DT the) (NN city)))))))))))))) (PERIOD .))