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:  Lastly , several restriction length polymorphisms were identified and mapped within a 1 kb region located immediately upstream from the JH cluster .
Example Output: JH cluster

Example Input:  Mutations abolishing MalK function not only result in inability to transport maltose but also cause constitutive expression of the maltose regulon .
Example Output: maltose regulon

Example Input:  HBO had marked effects on these enzymes : lung SOD increased ( guinea pigs 47 % , rats 88 % ) and CAT and GSHPx activities decreased ( 33 % ) in brain and lung .
Example Output:
lung SOD