10772
The mitogenic combination of anti CD2 + anti CD28 released the footprint as cells were committed to proliferation.
 protein: CD2; protein: CD28; protein: anti CD28; protein: anti CD2
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: CD2, CD28, anti CD28, anti CD2 
Answer:
 protein: CD2; protein: CD28; protein: anti CD28; protein: anti CD2