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Use of antithymocyte globulin may be the optimal treatment of D - penicillamine - induced aplastic anemia .
 Chemical: antithymocyte globulin; Chemical: D - penicillamine; Disease: aplastic anemia
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: antithymocyte globulin, D - penicillamine, aplastic anemia 
Answer:
 Chemical: antithymocyte globulin; Chemical: D - penicillamine; Disease: aplastic anemia