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:  Younger siblings ' conditions were diagnosed before 1 year of age , usually before the onset of pulmonary disease .
Output:
pulmonary