(QT (DQL ``) (QTC (SBAR (IN Unless) (S (BASENP (PRP they)) (VP (VBP are) (VP (VBG claiming) (SBAR (S (BASENP (PRP they)) (VP (VP (VBP are) (RB not)) (NP (BASENP (NN part)) (PP (IN of) (BASENP (DT the) (NNP African) (NNP Union))))))))))) (PERIOD .)) (DQR ''))