Definition: In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.
Input: Question: The recommended antibiotic treatment for acute diarrhea caused by Clostridium difficile is: 
 Options:  <1> Administer vancomycin orally. <2> Administer vancomycin intravenously. <3> Administer ciprofloxacin orally. <4> Administer metronidazole orally. <5> Administer rifaximin orally.
