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:  Like the DMA , but unlike all other mammalian class II A genes , the zebrafish gene codes for two cysteine residues which might potentially be involved in the formation of a disulfide bond in the alpha 1 domain .
Example Output: alpha 1

Example Input:  In the spontaneous abortion group , the levels of PAPP - A were significantly lower than in normal pregnancy but higher than in non - pregnant controls .
Example Output: PAPP - A

Example Input:  The BRSV L gene is 6573 nt in length and the derived polypeptide has 2162 aa .
Example Output:
BRSV L gene