(S (S (BASENP (NNP NASA)) (VP (ADVP (RB also)) (VP (VBD indicated) (SBAR (IN that) (S (NP (BASENP (DT the) (JJ other) (NN four) (JJ main) (NNS systems)) (PP (IN on) (BASENP (DT the) (NN telescope)))) (VP (VBP remain) (S (VP (VP (VBN unaffected)) (CC and) (VP (VBG functioning) (ADVP (RB normally))))))))))) (PERIOD .))