In this task, you will be given sentences in which your task is to recognize the name of the organ of the body. An organ is a collection of tissues that structurally form a functional unit specialized to perform a particular function. Although there might be several correct answers, you need to write one of them.

Example Input:  Forty patients ( 64 % ) survived , with 54 % of them having an intact functioning bladder .
Example Output: bladder

Example Input:  These differences make mature mice more susceptible to brain oxidative damage .
Example Output: brain

Example Input:  All of the 14 cases of primary GB cancer ( 10 masses , 4 thickening wall ) were found to have a high velocity arterial blood flow signal in the wall of the GB .
Example Output:
GB