input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Investigation of choice to rule out biliary atresia in a 2-month-old child is:   (A) Hepatic scintigraphy   (B) ERCP   (C) USG   (D) CT scan.
output: ['(A) Hepatic scintigraphy <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Hepatic scintigraphy  (B) ERCP  (C) USG  (D) CT scan. <> possible answers', '  Investigation of choice to rule out biliary atresia in a 2-month-old child is: <> context']