5376
Stimulation through the Fas/APO-1 receptor results in apoptosis through an incompletely characterized signaling pathway .
 protein: Fas/APO-1 receptor
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: Fas/APO-1 receptor 
Answer:
 protein: Fas/APO-1 receptor