(S (S (S (S (BASENP (JJ Few) (JJ official) (NNS details)) (VP (VBP have) (VP (VBN been) (VP (VBN released) (PP (IN by) (BASENP (DT the) (NN investigation))))))) (CC and) (S (NP (BASENP (JJ unofficial) (NNS reports)) (PP (IN in) (BASENP (DT the) (NN press)))) (VP (VBP have) (VP (VBN been) (ADJP (JJ contradictory)))))) (COLON ;) (S (BASENP (NN one) (NN report)) (VP (VBD suggested) (S (BASENP (DT a) (NN suicide) (NN bomber)) (VP (VBG wearing) (BASENP (DT a) (JJ plastic) (JJ explosive-based) (NN shrapnel) (NN bomb) (NN belt))))))) (PERIOD .))