(S (S (NP (BASENP (DT A) (NN spokesman)) (PP (IN for) (NP (BASENP (NNP Cosatu)) (PRN (COMMA ,) (BASENP (DT the) (NNP South) (NNP African) (NN trade) (NN union) (NN federation)) (COMMA ,))))) (VP (VBD said) (SBAR (IN that) (S (S (NP (BASENP (NN two)) (PP (IN of) (BASENP (DT the) (NNS unionists)))) (VP (VP (VBD had) (RB not)) (VP (VBN been) (VP (VBN released))))) (CC and) (S (BASENP (PRPD their) (JJ current) (NNS whereabouts)) (VP (VBP are) (VP (VBN unknown)))))))) (PERIOD .))