In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.

Input: Consider Input:  BMI - 1 and EZH2 Polycomb - group ( PcG ) proteins belong to two distinct protein complexes involved in the regulation of hematopoiesis .

Output: BMI - 1


Input: Consider Input:  Fibrinogen activates NF - kappa B transcription factors in mononuclear phagocytes .

Output: transcription factors


Input: Consider Input:  Subsequently , DCs act as APCs involved in the uptake , processing , and presentation of apoptotic tumor Ags to cross - prime CD8 ( + ) CTL cells .


Output: apoptotic tumor Ags