(S (S (NP (BASENP (DT The) (NN ministry) (POS 's)) (NNS guidelines)) (VP (VBP state) (SBAR (IN that) (S (BASENP (NNS staff)) (VP (MD must) (VP (VP (VB obtain) (BASENP (NN clearance))) (S (VP (TO to) (VP (VB release) (NP (BASENP (DT any) (NN information)) (SBAR (WHNP (WDT that)) (S (VP (VBZ is) (ADJP (JJ related) (PP (TO to) (NP (NP (ADJP (ADJP (JJ sensitive) (COMMA ,) (JJ controversial)) (CC or) (ADJP (JJ political))) (NNS matters)) (CONJP (COMMA ,) (CC or)) (BASENP (JJ military) (NNS operations)))))))))))))))))) (PERIOD .))