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.

Ex Input:
 Compliance with follow - up for persons with suspected melanoma / skin cancer was adequate ( 93 of 103 ; 90 . 3 % ) .

Ex Output:
skin


Ex Input:
 primary pancreatic sarcomas are extremely rare .

Ex Output:
pancreatic


Ex Input:
 The effects of oxidative stress on in vivo brain GSH turnover in young and mature mice .

Ex Output:

brain