(S (S (S (NP (NP (BASENP (DT A) (NN piece)) (PP (IN of) (BASENP (NN foam)))) (VP (VP (VBG striking) (NP (BASENP (DT the) (NNP Columbia) (POS 's)) (NN wing))) (PP (IN during) (NP (BASENP (NN take-off)) (PP (IN in) (BASENP (NNP January) (NN 2003))))))) (VP (VBD was) (ADJP (JJ responsible) (PP (IN for) (NP (BASENP (DT the) (NN loss)) (PP (IN of) (BASENP (DT the) (NN craft)))))))) (SBAR (IN as) (S (BASENP (PRP it)) (VP (VBD made) (NP (BASENP (PRPD its) (NN reentry)) (PP (TO to) (NP (BASENP (NNP Earth) (POS 's)) (NN atmosphere)))))))) (PERIOD .))