(S (S (SBAR (IN If) (S (NP (BASENP (NNP Iran) (POS 's)) (NNS claims)) (VP (VBP are) (ADJP (JJ correct))))) (COMMA ,) (S (BASENP (PRP it)) (VP (MD would) (VP (VB make) (S (BASENP (DT this) (NN missile)) (NP (BASENP (DT the) (JJS fastest) (JJ underwater) (NN missile)) (PP (IN in) (BASENP (DT the) (NN world))))))))) (PERIOD .))