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:  Pancreatic expression of the glucagon gene depends on multiple transcription factors interacting with at least three DNA control elements : G1 , the upstream promoter element , and G2 and G3 , two enhancer - like sequences .
Example Output: glucagon gene

Example Input:  Protein sequencing , electrophoretic mobility shift assay , and immunoblot analyses identify p54 and p47 / 48 as members of the hepatocyte nuclear factor 3 ( HNF3 [ forkhead ] ) family of transcription factors .
Example Output: p47 / 48

Example Input:  Complementary DNA libraries from liver and ovary of an immature female channel catfish were screened with a homologous ERalpha cDNA probe .
Example Output:
homologous ERalpha cDNA