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.

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

Example Input: It is hypothesized this occurs through antagonism of PML / RAR alpha actions in these leukemic cells .
Example Output: RAR alpha

Example Input: Treatments were two adrenocorticotrophin ( ACTH ) preparations given intramuscularly at 2 . 2 U / kg , one of the ACTH preparations given intramuscularly at 1 U / kg and a synthetic polypeptide with ACTH - like activity ( tetracosactrin , cosyntropin ) given intravenously at 5 micrograms / kg .
Example Output:
ACTH - like