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:  NF - kappaB inhibition with N - acetylcysteine ameliorated the local inflammatory response .
Example Output: NF - kappaB

Example Input:  Stem cell factor ( SCF ) and erythropoietin ( EPO ) work synergistically to support erythropoiesis , but the mechanism for this synergism is unknown .
Example Output: Stem cell factor

Example Input:  Constitutive transcription of CIITA from promoter III having been observed in unrelated melanoma cell lines , we propose the hypothesis that this phenomenon might not be a random event , but could be linked to the neoplasic state of the melanoma cells
Example Output:
promoter III