Definition: Given an abstract, indicate which of the provided candidate titles (Option1 and Option2) best describes it (respond with the text of the title, not option1/2).
Input: Abstract: Benign osteoblastoma is a rare, solitary, vascular, osteoid-producing tumor that is rich in osteoblasts. This is the first report of a case of osteoblastoma of the orbit not contiguous with a sinus cavity.
Which is the apt title for the abstract? option1: Benign osteoblastoma of the orbit. option2: Pyarthrosis of the sacroiliac joint presenting as lumbar radiculopathy. A case report.
Output:
Benign osteoblastoma of the orbit.