<prompt> After a leisure trip, a patient comes with gritty pain in eye and joint pain. What is the most probable diagnosis?Reiters syndromeBehcets syndromeSarcoidosisSLE  <response>: Joint pain is a feature of Reiters syndrome. Its a triad of urethritis, ahritis and conjunctivitis. It is causes by Chlamydiamc, Salmonella, Yersinia, Campylobacter, Ureaplasma, Shigella OTHER OPTIONS: Behcet syndrome: inlude mouth and genital soresa, inflamed eyes and rashes. Sarcoidosis: symptoms vary depending on the organs affected SLE : can affects skin, kidney, joints, brain and other organs. 