(S (S (BASENP (PRP It)) (VP (VBZ is) (VP (VBN reported) (SBAR (IN that) (S (S (BASENP (DT some) (NNP Cabinet) (NNPS Ministers)) (VP (VBP have) (NP (BASENP (NNS reservations)) (PP (IN about) (NP (BASENP (DT the) (NNS prudence)) (PP (IN of) (S (VP (VBG maintaining) (BASENP (DT the) (JJ nuclear) (NN deterrent)))))))))) (SBAR (WHADVP (WRB when)) (S (BASENP (DT the) (JJ apparent) (NNS threats)) (VP (VBP are) (PP (IN from) (NP (BASENP (NNS saboteurs)) (CC and) (BASENP (JJ suicide) (NNS bombers)))))))))))) (PERIOD .))