input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which of the following antibiotics is most frequently associated with pseudomembranous colitis?   (A) Ampicillin   (B) Penicillin   (C) Clindamycin   (D) Cephalosporin
output: ['(C) Clindamycin <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Ampicillin  (B) Penicillin  (C) Clindamycin  (D) Cephalosporin <> possible answers', '  Which of the following antibiotics is most frequently associated with pseudomembranous colitis? <> context']