input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Non- working contact is needed in all except:   (A) Natural dentition.   (B) Complete denture.   (C) Distal extension RPDs   (D) None.
output: ['(A) Natural dentition. <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Natural dentition.  (B) Complete denture.  (C) Distal extension RPDs  (D) None. <> possible answers', '  Non- working contact is needed in all except: <> context']