The logic follows here is: The given words are arranged as your action of "Visiting a Physician / Doctor". They must be arranged in the order in the sequence they will occur. First, If you have a high-grade fever, Then you will visit as Doctor The doctor will diagnose your problem. Then he will prescribe you some medicine. Finally, The patient will take the Medicine. The correct sequence will be: 2. Fever 1. Doctor 4. Diagnose 3. Prescribe 5. Medicine Hence, the correct answer is "2, 1, 4, 3, 5".