7376
BACKGROUND: Tumor necrosis factor alpha ( TNF-alpha ) is an important mediator of septic shock .
 protein: Tumor necrosis factor 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: Tumor necrosis factor alpha, TNF-alpha 
Answer:
 protein: Tumor necrosis factor alpha; protein: TNF-alpha