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.

Input: Consider Input:  But if one equalizes the upper limits of normal for both markers to a common 95 % specificity , the tumour - indicating sensitivity of CA 19 - 9 clearly surpasses that of CA 50 .

Output: CA 50


Input: Consider Input:  Our results are consistent with TCOF1 mutations leading to the Treacher Collins syndrome phenotype .

Output: TCOF1 mutations


Input: Consider Input:  Patients with the chronic photosensitivity dermatitis with actinic reticuloid syndrome have high total serum IgE concentrations .


Output: serum IgE