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B lymphocytes and macrophages express closely related immunoglobulin G ( IgG ) Fc receptors ( Fc gamma RII ) that differ only in the structures of their cytoplasmic domains .
 protein: immunoglobulin G ( IgG ) Fc receptors; cell type: B lymphocytes; protein: IgG; protein: cytoplasmic domains; protein: immunoglobulin G; protein: Fc gamma RII
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: immunoglobulin G ( IgG ) Fc receptors, B lymphocytes, IgG, cytoplasmic domains, immunoglobulin G, Fc gamma RII 
Answer:
 protein: immunoglobulin G ( IgG ) Fc receptors; cell type: B lymphocytes; protein: IgG; protein: cytoplasmic domains; protein: immunoglobulin G; protein: Fc gamma RII