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:  Iomazenil - SPECT revealed a highly significant increase in the benzodiazepine receptor uptake in all studied cortical regions except temporal cortices .
Example Output: benzodiazepine receptor

Example Input:  Of 3841 serum samples from sows received from the Tennessee State Diagnostic Laboratory in 1991 - 1992 , 1130 were positive for Toxoplasma gondii antibody .
Example Output: Toxoplasma gondii antibody

Example Input:  The other end of this cluster contained the human type I cytokeratin K20 and K12 gene loci .
Example Output:
K12 gene