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A 67 - year - old man who was treated with oxacillin for one week because of Staphylococcus aureus bacteremia , developed renal failure and diffuse , symmetric , palpable purpuric lesions on his feet .
 Chemical: oxacillin; Disease: Staphylococcus aureus bacteremia; Disease: renal failure; Disease: purpuric lesions
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: oxacillin, Staphylococcus aureus bacteremia, renal failure, purpuric lesions 
Answer:
 Chemical: oxacillin; Disease: Staphylococcus aureus bacteremia; Disease: renal failure; Disease: purpuric lesions