14066
The CD8 + CD28 + population showed the same tendency (p < .01-.02).
 protein: CD8; protein: CD28
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: CD8, CD28 
Answer:
 protein: CD8; protein: CD28