input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Ideal denture base material should not have   (A) Sufficient strength   (B) Dense and non-irritating surface   (C) High specific gravity   (D) Esthetically acceptable
output: ['(C) High specific gravity <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Sufficient strength  (B) Dense and non-irritating surface  (C) High specific gravity  (D) Esthetically acceptable <> possible answers', '  Ideal denture base material should not have <> context']