(S (S (S (BASENP (DT The) (JJ other) (NN blast)) (VP (VBD had) (VP (VBN occurred) (PP (IN in) (BASENP (NNP Baghdad)))))) (COMMA ,) (SBAR (WHADVP (WRB when)) (S (BASENP (DT a) (NN suicide) (NN bomber)) (VP (VP (VBD detonated) (NP (BASENP (DT a) (NN belt)) (ADJP (JJ full) (PP (IN of) (BASENP (NNS explosives)))))) (PP (IN near) (NP (NP (BASENP (DT a) (NN group)) (PP (IN of) (BASENP (NN police) (NNS officers)))) (VP (VP (VBG giving) (BASENP (NNS supplies))) (PP (TO to) (NP (BASENP (NNPS Iraqis)) (VP (VBN displaced) (PP (IN by) (BASENP (JJ sectarian) (NN violence))))))))))))) (PERIOD .))