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:  Three patients had decreased CBF in right anterior and middle cerebral artery territories compared with CBF on the left , and one patient had a profound decrease in CBF in all three territories in the right hemisphere .
Output:
cerebral