input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which of the following sites is least commonly preferred for insulin injection?   (A) Anterior thigh   (B) Lateral thigh   (C) Dorsum of arm   (D) Around umbilicus
output: ['(B) Lateral thigh <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Anterior thigh  (B) Lateral thigh  (C) Dorsum of arm  (D) Around umbilicus <> possible answers', '  Which of the following sites is least commonly preferred for insulin injection? <> context']