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:  Soluble recombinant RI and soluble recombinant C alpha can associate in vitro and be activated by cyclic AMP .

Output: C alpha


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

Output: hepatitis C antibody


Input: Consider Input:  ( We observed a ferritin value as high as 47 mg / L in one patient . ) Results with all these kits did not inter - compare well for ferritin concentrations greater than 300 micrograms / L , a finding that casts further doubt on the controversial use of serum ferritin measurement in cases of iron overload .


Output: serum ferritin