(S (S (PP (IN During) (BASENP (DT the) (NNS 1980s) (CC and) (NNS 1990s))) (COMMA ,) (S (BASENP (NNP Bethe)) (VP (VP (VBD campaigned) (PP (IN for) (NP (BASENP (DT the) (JJ peaceful) (NN use)) (PP (IN of) (BASENP (JJ nuclear) (NN energy)))))) (COMMA ,) (S (VP (VBG arguing) (PP (PP (IN against) (BASENP (DT the) (JJ nuclear) (NNS arms) (NN race))) (CC and) (PP (IN against) (BASENP (JJ nuclear) (NN testing))))))))) (PERIOD .))