(S (S (S (NP (BASENP (NNP Chemical) (NNP Ali)) (PRN (COMMA ,) (SBAR (IN as) (S (BASENP (PRP he)) (VP (VBD was) (VP (VBN known))))) (COMMA ,))) (VP (VP (VP (VBD received) (BASENP (DT a) (NN death) (NN sentence))) (PP (IN on) (NP (BASENP (NNP January) (NN 17)) (COMMA ,) (BASENP (NN 2010))))) (COMMA ,) (PP (IN for) (S (VP (VBG ordering) (NP (BASENP (DT the) (NN 1988) (NN gas) (NN attack)) (PP (IN on) (NP (NP (BASENP (DT the) (NN town)) (PP (IN of) (BASENP (NNP Halabja)))) (PP (IN in) (BASENP (JJ northern) (NNP Iraq))))))))))) (COLON ;) (S (BASENP (NN 5,000) (NNS people)) (VP (VBP are) (VP (VBN thought) (S (VP (TO to) (VP (VB have) (VP (VBN died) (PP (IN in) (NP (BASENP (DT the) (NN assault)) (PP (IN on) (BASENP (DT the) (JJ Kurdish) (NN area))))))))))))) (PERIOD .))