input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which of the following is an example of placebo?   (A) Herbal medication with no known effect   (B) Physiotherapy   (C) Sham surgery   (D) Cognitive behavioral therapy
output: ['(C) Sham surgery <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Herbal medication with no known effect  (B) Physiotherapy  (C) Sham surgery  (D) Cognitive behavioral therapy <> possible answers', '  Which of the following is an example of placebo? <> context']