The following are multiple choice questions (with answers) about medical knowledge.   **Question:** There is <2 cm painful swelling responsive to salicylates, this is:   (A) Osteoma   (B) Osteochondroma   (C) Osteoid osteoma   (D) Osteoblastoma
['(C) Osteoid osteoma <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Osteoma \n (B) Osteochondroma \n (C) Osteoid osteoma \n (D) Osteoblastoma <> possible answers', '  There is <2 cm painful swelling responsive to salicylates, this is: <> context@']