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:  Significant mutations were not observed in c - MYC , S14 , or alpha - fetoprotein ( AFP ) genes , but BCL - 6 was highly mutated in a large proportion of memory B cells of normal individuals .

Output: BCL - 6


Input: Consider Input:  Previously described enhancement of in vitro transcription that was only seen with nuclear extracts derived from B - cell neoplasms corresponding to the late stages of B - cell differentiation was shown to be dependent on the actions of these factor ( s ) on the DNA region within the V kappa gene promoter .

Output: V kappa


Input: Consider Input:  Maturation of DP cortical thymocytes to single - positive ( CD4 ( + ) / CD8 ( - ) or CD8 ( + ) / CD4 ( - ) ) medullar thymocytes correlated with decreased detectability of EZH2 and continued relative absence of BMI - 1 .


Output: BMI - 1