input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Major drawback of pro-root MTA is its increased setting time which is decreased by addition of ?   (A) 3% of NaOH   (B) 3% NaCl   (C) 5% CaCl   (D) Distilled Water
output: ['(C) 5% CaCl <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) 3% of NaOH  (B) 3% NaCl  (C) 5% CaCl  (D) Distilled Water <> possible answers', '  Major drawback of pro-root MTA is its increased setting time which is decreased by addition of ? <> context']