(S (S (BASENP (NNP Abdelbaset) (NNP Ali) (NNP Mohmed) (NNP Al-Megrahi)) (VP (VP (VBD was) (VP (VP (VBN jailed) (PP (IN in) (BASENP (NN 2001)))) (PP (IN for) (NP (NP (BASENP (DT the) (NN 1988) (NN bombing)) (PP (IN of) (BASENP (DT the) (JJ transatlantic) (NN airliner)))) (COMMA ,) (VP (VBG killing) (BASENP (NN 270) (NNS people))))))) (CONJP (COMMA ,) (CC but)) (VP (VBZ is) (VP (VBG seeking) (S (VP (TO to) (VP (VB have) (S (BASENP (PRPD his) (NN conviction)) (VP (VBN overturned)))))))))) (PERIOD .))