Instructions: 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:  This study was conducted to identify preoperative factors correlating with limited motion after rotator cuff repair ( RCR ) and to evaluate the affect of loss of motion on outcome .
Output:
rotator cuff