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:
 MR T ( 1 ) - weighted and T ( 2 ) - weighted images showed the tumor to be isointense to normal brain parenchyma and to be enhanced densely .

Ex Output:
brain


Ex Input:
 In this study , the authors found that the primary LE of the lung is associated with young age , a history of not smoking , high bcl - 2 immunoreactivity , and better survival rate .

Ex Output:
lung


Ex Input:
 Multiple phosphotyrosine phosphatase mRNAs are expressed in the human lung fibroblast cell line WI - 38 .

Ex Output:

lung