(S (S (BASENP (DT The) (NNP Homeland) (NNP Security) (NN group)) (VP (VBZ claims) (SBAR (IN that) (S (BASENP (DT the) (NN threat)) (VP (VBD was) (PP (IN for) (NP (BASENP (DT all)) (PP (IN of) (BASENP (NNP December)))))))))) (PERIOD .))