Task: Named Entity Recognition
Input (English):  RESULTS : Although low levels of vIRF - 2 mRNAs can be detected in the HHV - 8 - positive BCBL - 1 tumor cell line , 12 - 0 - tetradecanoylphorbol - 13 - acetate ( TPA ) treatment does not stimulate expression of vIRF - 2 gene together with primary lytic cycle genes .
Output (English): vIRF - 2