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:  Recently we have performed a detailed analysis of specific neuronal populations affected by the mutation which shed new light on the role of Krox - 20 in the segmentation and on the physiological consequences of its inactivation .

Output: Krox - 20


Input: Consider Input:  Glutathione reductase ( GR ) was purified from the cyanobacterium Anabaena PCC 7120 .

Output: Glutathione reductase


Input: Consider Input:  Serum levels of angiotensin converting enzyme were well maintained .


Output: angiotensin converting enzyme