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:  [ 108 ] demonstrated that selective genetic reduction in the size of PDX - 1 + pancreatic progenitors during the fetal period results in impaired beta - cell formation during the postnatal period with consequent development of glucose intolerance during adulthood .
Example Output: pancreatic

Example Input:  Two siblings presented with typical clinical features of congenital pulmonary alveolar proteinosis ( PAP ) .
Example Output: pulmonary

Example Input:  Epstein - Barr virus - associated nonsmall cell lung carcinoma : undifferentiated " lymphoepithelioma - like " carcinoma as a distinct entity with better prognosis .
Example Output:
lung