<prompt> A 10-year-old child presents with fever since 24 hours. History reveals 3 episodes of chest infection and passage of bulky, foul smelling stools. The most probable diagnosis is?Cystic fibrosisMaple syrup urine diseaseBilirubin conjugation defectCrigler-Najjar syndrome  <response>: Recurrent chest infections bulky, foul smelling stools point to a diagnosis of cystic fibrosis 