input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** To establish the diagnosis of H-type trachea-esophageal fistula, which if the following is required?   (A) Chest X-ray   (B) Tracheo-bronchoscopy   (C) CT scan   (D) Esophagoscopy
output: ['(B) Tracheo-bronchoscopy <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Chest X-ray  (B) Tracheo-bronchoscopy  (C) CT scan  (D) Esophagoscopy <> possible answers', '  To establish the diagnosis of H-type trachea-esophageal fistula, which if the following is required? <> context']