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Mn levels in brain , kidney and liver were also higher in Mn plus ELF - MF groups than in Mn groups .
 Chemical: Mn; Chemical: Mn; Chemical: Mn
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: Mn, Mn, Mn 
Answer:
 Chemical: Mn; Chemical: Mn; Chemical: Mn