(S (S (S (BASENP (DT All) (NN seven) (NNS astronauts)) (VP (VBD were) (VP (VBN killed)))) (SBAR (WHADVP (WRB when)) (S (BASENP (PRPD their) (NN spacecraft)) (VP (VP (VP (VP (VBD broke) (PRT (RP up))) (PP (IN on) (NP (BASENP (NN re-entry)) (PP (IN over) (BASENP (NNP Texas)))))) (PP (IN on) (NP (BASENP (NNP February) (NN 1)) (COMMA ,) (BASENP (NN 2003))))) (COMMA ,) (ADVP (BASENP (NN 16) (NNS minutes)) (ADVP (RB prior) (PP (TO to) (NP (BASENP (VBN scheduled) (NN landing) (NN time)) (PP (IN at) (BASENP (NNP Florida))))))))))) (PERIOD .))