input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Increased depth in posterior palatal seal area of denture  causes:   (A) Tingling sensation   (B) Gagging   (C) Increased retention   (D) Unseating of denture base
output: ['(D) Unseating of denture base <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Tingling sensation  (B) Gagging  (C) Increased retention  (D) Unseating of denture base <> possible answers', '  Increased depth in posterior palatal seal area of denture \ncauses: <> context']