(S (S (BASENP (QP (RB Approximately) (NN 200)) (NNS people)) (VP (VBD attended) (NP (BASENP (DT the) (NN event)) (COMMA ,) (VP (VP (VBN held) (PP (IN at) (NP (BASENP (DT the) (NNP Kennedy) (NNP Space) (NNP Center) (POS 's)) (BASENP (NNP Space) (NNP Mirror) (NNP Memorial))))) (PP (TO to) (NP (BASENP (DT all) (NN 24) (NNS astronauts)) (VP (VBN killed) (PP (IN in) (BASENP (NN space) (NNS disasters)))))))))) (PERIOD .))