7402
Given the deleterious effects to the host of TNF-alpha , it has been postulated that TNF-alpha gene expression must be tightly regulated.
 protein: TNF-alpha; protein: TNF-alpha
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: TNF-alpha, TNF-alpha 
Answer:
 protein: TNF-alpha; protein: TNF-alpha