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:  In vivo model of contrast - induced renal injury was induced in mice with unilateral renal occlusion .
Example Output: renal

Example Input:  Severe oesophageal candidiasis and croup due to involvement of the larynx developed insidiously in a girl aged 20 months .
Example Output: oesophageal

Example Input:  Although tPA has no effect on conformational changes of Abeta , it might play a role in the clearance of Abeta from the brain ( paragraph 4 ] .
Example Output:
brain