The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 59-year-old female presents with gingival condition punched out crater-like depression covered with membrane which can be pulled off painlessly?   (A) Diphtheritic lesion   (B) Acute herpetic gingivostomatitis   (C) ANUG   (D) Syphilitic lesion
['(C) ANUG <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Diphtheritic lesion \n (B) Acute herpetic gingivostomatitis \n (C) ANUG \n (D) Syphilitic lesion <> possible answers', '  A 59-year-old female presents with gingival condition punched out crater-like depression covered with membrane which can be pulled off painlessly? <> context@']