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To determine the effect of type - 2 diabetes and obesity on the hepatic metabolism of sulfur amino acids , hepatic sulfur amino acid metabolism was determined in db / db mice .
 Chemical: sulfur amino acids; Chemical: sulfur amino acid
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: sulfur amino acids; Chemical: sulfur amino acid