(S (S (NP (NP (BASENP (DT The) (NN group) (POS 's)) (NN relationship)) (PP (TO to) (NP (BASENP (JJ political) (NNS parties)) (PP (IN in) (BASENP (NNP Iran)))))) (VP (VP (VBZ is) (RB not)) (VP (VBN known)))) (PERIOD .))