(S (S (BASENP (NNP NASA)) (VP (VBZ hopes) (S (VP (TO to) (VP (VP (VB fill) (NP (BASENP (DT some)) (PP (IN of) (BASENP (DT this) (NN gap))))) (S (VP (VBG using) (NP (BASENP (JJ commercial) (NNS launches)) (PP (IN from) (NP (BASENP (NNS companies)) (PP (JJ such) (PP (IN as) (BASENP (NNP SpaceX)))))))))))))) (PERIOD .))