(S (S (NP (NP (BASENP (NNP Al-Qaeda) (POS 's)) (NN leader)) (PRN (COMMA ,) (BASENP (NNP Osama) (NNP Bin) (NNP Laden)) (COMMA ,))) (VP (VP (VBD released) (BASENP (DT an) (JJ audio) (NN tape))) (PP (IN on) (NP (BASENP (NNP January) (NN 19)) (COMMA ,) (NN 2006))))) (PERIOD .))