input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A boy is suffering from acute pyelonephritis. The most specific investigation is   (A) Histopathological examination   (B) Leucocyte esterase test   (C) Nitrite test   (D) Bacteria in gram stain
output: ['(A) Histopathological examination <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Histopathological examination  (B) Leucocyte esterase test  (C) Nitrite test  (D) Bacteria in gram stain <> possible answers', '  A boy is suffering from acute pyelonephritis. The most specific investigation is <> context']