input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Increase in the residual mercury in silver amalgam filling can:   (A) Cause fracture of the filling   (B) Tarnish and corrosion   (C) Increase the strength   (D) Decrease condensation pressure
output: ['(A) Cause fracture of the filling <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Cause fracture of the filling  (B) Tarnish and corrosion  (C) Increase the strength  (D) Decrease condensation pressure <> possible answers', '  Increase in the residual mercury in silver amalgam filling can: <> context']