(S (S (BASENP (DT The) (JJ religious) (NN authority)) (VP (VBZ has) (VP (VP (VP (VBN sent) (BASENP (DT a) (NN letter))) (PP (TO to) (NP (NP (BASENP (NN producer)) (PP (IN of) (BASENP (DT the) (NN program)))) (PRN (COMMA ,) (BASENP (NNP Andrew) (NNP Smith)) (COMMA ,))))) (S (VP (VBG highlighting) (BASENP (PRPD their) (NNS concerns))))))) (PERIOD .))