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: Inhibition of Ebola Virus Infection: Identification of Niemann-Pick C1 as the Target by Optimization of a Chemical Probe.

Output: Niemann-Pick C1

Input: Consider Input: The fidelity of transcription: RPB1 (RPO21) mutations that increase transcriptional slippage in S. cerevisiae.

Output: RPB1

Input: Consider Input: ARF represses androgen receptor transactivation in prostate cancer.
Output: androgen receptor