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.

Example Input:  Liver histology demonstrated sinusoidal congestion centering on the central vein , growing worse with progression from normal in control , to sterile , to septic .
Example Output: Liver

Example Input:  Heart sound and electrocardiogram recording devices for telemedicine environments .
Example Output: Heart

Example Input:  Furthermore , significant increases in fecal cholesterol , neutral sterols and bile acid excretion along with an increase in hepatic HMG - CoA reductase activity and bile acid production were observed in these animals .
Example Output:
hepatic