tokens: Thymocytes , activated peripheral T lymphocytes , or an activated T-cell clone were used as human partners , respectively , in three independent fusions .
folded_tokens: thymocytes , activated peripheral t lymphocytes , or an activated t-cell clone were used as human partners , respectively , in three independent fusions .
labels: B-cell_type O B-cell_type I-cell_type I-cell_type I-cell_type O O O B-cell_line I-cell_line I-cell_line O O O B-other_name I-other_name O O O O O O O O