(S (S (BASENP (DT The) (NNP FDA)) (VP (VBD said) (SBAR (S (S (BASENP (PRP it)) (VP (MD could) (VP (VB be) (VP (VBN approved) (PP (IN as) (BASENP (DT a) (JJ stand-alone) (NN treatment))))))) (SBAR (IN if) (S (BASENP (DT the) (NN drug) (NNS companies)) (VP (MD can) (VP (VP (VB support) (BASENP (JJ such) (NN use))) (PP (IN with) (BASENP (NNS data))))))))))) (PERIOD .))