(S (S (S (BASENP (NNP Zawahiri)) (VP (VBZ has) (VP (VP (VBN made) (NP (QP (ADVP (IN at) (JJS least)) (NN three)) (BASENP (JJ other) (NNS tapes)))) (PP (IN since) (BASENP (NNP November)))))) (COMMA ,) (SBAR (WHNP (DT all) (WHPP (IN of) (WHNP (WDT which)))) (S (VP (VBD were) (VP (VBN broadcast) (PP (IN by) (BASENP (NNP Al-Jazeera)))))))) (PERIOD .))