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.

Example Input:  During vertebrate hematopoiesis , FOG and GATA proteins cooperate to promote erythrocyte and megakaryocyte differentiation .
Example Output: GATA proteins

Example Input:  Friend of GATA ( FOG ) proteins regulate GATA factor - activated gene transcription .
Example Output: GATA factor

Example Input:  ATF - 2 mutant mice proved more susceptible to death than control mice from LPS plus D - galactosamine injection or Coxsackievirus B3 infection and had a higher incidence of mononuclear pulmonary infiltrates after exposure to Herpes simplex virus - 1 .
Example Output:
ATF - 2