(S (S (BASENP (NNP Israel)) (VP (VBZ has) (VP (VBN purchased) (NP (BASENP (QP (NN two) (JJR more)) (NNP Dolphin) (NN class) (NNS submarines)) (SBAR (WHNP (WDT which)) (S (VP (VBP have) (NP (BASENP (DT the) (NN capacity)) (S (VP (TO to) (VP (VB carry) (BASENP (JJ nuclear) (NNS warheads))))))))))))) (PERIOD .))