(S (S (BASENP (DT The) (JJ new) (NNS weapons)) (VP (MD would) (VP (VP (VB achieve) (NP (BASENP (DT the) (JJ same) (NNS effects)) (PP (IN as) (BASENP (JJ nuclear) (NNS weapons))))) (COMMA ,) (PP (IN without) (NP (BASENP (DT the) (NN threat)) (PP (IN of) (S (BASENP (JJ conventional) (NN war)) (VP (VBG escalating) (PP (IN into) (BASENP (JJ nuclear) (NN war))))))))))) (PERIOD .))