Definition: 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.
Input:  Clinical comparison of intraocular pressure ( IOP ) measured with the Goldmann applanation tonometer ( GAT ) , the ProTon tonometer ( PT ) , and the Schiotz tonometer ( ST ) , in normal eyes , eyes with scarred corneas and postkeratoplasty eyes .
Output:
eyes