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:  As much thrombin was formed during cardiopulmonary bypass ( measured by the prothrombin activation fragment F1 + 2 and thrombin - antithrombin complexes ) as in normal patients , showing that factor XII was not necessary for thrombin generation .
Example Output: factor XII

Example Input:  These results suggest that the Reg1 - Glc7 phosphatase is a cytoplasmic component of the machinery responsible for returning Snf1 kinase activity to its basal level and reestablishing glucose repression .
Example Output: Snf1 kinase

Example Input:  Structure and regulation of KGD2 , the structural gene for yeast dihydrolipoyl transsuccinylase .
Example Output:
yeast dihydrolipoyl transsuccinylase