input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Positive pivot shift test in knee is because of injury to -   (A) Posterior cruciate ligament   (B) Anterior cruciate ligament   (C) Medial meniscus   (D) Lateral meniscus
output: ['(B) Anterior cruciate ligament <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Posterior cruciate ligament  (B) Anterior cruciate ligament  (C) Medial meniscus  (D) Lateral meniscus <> possible answers', '  Positive pivot shift test in knee is because of injury to - <> context']