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:  The results showed that HIV - 1 production was strongly induced .

Output: HIV - 1


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:  A significantly higher suppression was achieved after sequential exposure of PBM cells to cortisol and equimolar levels of prostaglandin E2 ( PgE2 ) .


Output: prostaglandin E2