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We found that VA upregulated the DNA binding activity of NF - kappa B , but that the antioxidants glutathione and N - acetyl - l - cysteine , as well as NF - kappa B inhibitor MG132 , and mutant - I kappa B ( m - I kappa B ) transfection , significantly downregulated VA / TRAIL - induced cell death by inhibiting caspase - 3 and NF - kappa B activities .
 Chemical: glutathione; Chemical: N - acetyl - l - cysteine; Chemical: MG132
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: glutathione, N - acetyl - l - cysteine, MG132 
Answer:
 Chemical: glutathione; Chemical: N - acetyl - l - cysteine; Chemical: MG132