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.

Ex Input:
 Vibrio cholerae iron transport : haem transport genes are linked to one of two sets of tonB , exbB , exbD genes .

Ex Output:
exbD genes


Ex Input:
 The nramp2 gene is comprised of 17 exons and spans more than 36 kb .

Ex Output:
nramp2 gene


Ex Input:
 It is an untested argument that conventional beta - adrenoceptor antagonists possess unwanted metabolic effects that may counter some of their potential cardiac benefits .

Ex Output:

beta - adrenoceptor