input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Most common cause of recurrent laryngeal nerve palsy is:   (A) Bronchogenic carcinoma   (B) Thyroid surgery   (C) Mediastinal tumors   (D) Pancoast tumor
output: ['(B) Thyroid surgery <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Bronchogenic carcinoma  (B) Thyroid surgery  (C) Mediastinal tumors  (D) Pancoast tumor <> possible answers', '  Most common cause of recurrent laryngeal nerve palsy is: <> context']