8275
It will further elaborate on the attempts to develop successful immunotherapy and drug therapy targeting Ras expressing tumors .
 protein: Ras
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: Ras 
Answer:
 protein: Ras