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Serum levels of IgG and IgM were also raised , but contrary to the findings of other observers IgA levels were normal .
 GENE: IgG; GENE: IgM; GENE: IgA
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: IgG, IgM, IgA 
Answer:
 GENE: IgG; GENE: IgM; GENE: IgA