1594
Five T-cell clones specific for a T-cell epitope located at the carboxyterminal region of HBxAg were established and found to belong to the CD2/CD4-positive, CD8-negative subtype .
 cell line: T-cell clones; protein: carboxyterminal region; protein: T-cell epitope; protein: HBxAg; cell line: CD2/CD4-positive, CD8-negative subtype
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: T-cell clones, carboxyterminal region, T-cell epitope, HBxAg, CD2/CD4-positive, CD8-negative subtype 
Answer:
 cell line: T-cell clones; protein: carboxyterminal region; protein: T-cell epitope; protein: HBxAg; cell line: CD2/CD4-positive, CD8-negative subtype