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.

Ex Input:
 We prospectively studied serum prolactin ( PRL ) elevation after different types of documented seizures in 17 patients .

Ex Output:
serum prolactin


Ex Input:
 Liver disease and HCV infection after transplantation of organs from hepatitis C antibody positive donors .

Ex Output:
hepatitis C antibody


Ex Input:
 The protein encoded by the NF2 gene has a similarity to ezrin , radixin and moesin ( ERM ) proteins that link membrane proteins to the cytoskeleton .

Ex Output:

NF2 gene