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Interleukin 12 ( IL-12 ) is an important immunoregulatory cytokine whose receptor is a member of the hematopoietin receptor superfamily .
 protein: IL-12; protein: hematopoietin receptor superfamily; protein: Interleukin 12; protein: immunoregulatory cytokine
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: IL-12, hematopoietin receptor superfamily, Interleukin 12, immunoregulatory cytokine 
Answer:
 protein: IL-12; protein: hematopoietin receptor superfamily; protein: Interleukin 12; protein: immunoregulatory cytokine