1590
We have investigated whether this antigen is a target structure for human T-lymphocytes .
 cell type: T-lymphocytes; cell type: human T-lymphocytes
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 cell type: T-lymphocytes; cell type: human T-lymphocytes