7535
The authors have previously demonstrated that in vitro exposure of mononuclear cells to DFX decreases the bioavailability of tumour necrosis factor alpha ( TNF-alpha ) which has a stimulatory effect on HIV-1 replication .
 cell type: mononuclear cells; protein: TNF-alpha; protein: tumour necrosis factor 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: mononuclear cells, TNF-alpha, tumour necrosis factor alpha 
Answer:
 cell type: mononuclear cells; protein: TNF-alpha; protein: tumour necrosis factor alpha