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:  When given in low doses for prolonged periods , methotrexate may have adverse effects on bone , particularly in post - menopausal women .
Output:
bone