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:  Twelve patients were observed for periods of sufficient length for the drug effect to be assessed , and in 11 there was a good response in terms of decrease in spleen size . Cycloguanil pamoate may be of value both for prophylaxis and treatment in areas where tropical splenomegaly syndrome is endemic .
Example Output: spleen

Example Input:  Over 90 % of the surviving patients had solitary , small and low - stage invasive tumors completely resected and 83 % survived without relapses in the bladder . [ 1 ]
Example Output: bladder

Example Input:  The findings of the current study suggest that EBV infection may play a different role in the tumorigenesis of primary LE of the lung than it does in other EBER1 - positive NSCLCs .
Example Output:
lung