input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 55 yr old patient presented to the opd with complaint of pain in back. On examination his limbs seemed to be bent with overlying warm and thick skin. Patient also complain of decreased hearing over a few days. On biochemical analysis his serum ALP was raised. X-ray obtained showed the following features. Most probable diagnosis?   (A) Osteoporosis   (B) Osteopetrosis   (C) Pagets disease   (D) Renal osteodystrophy
output: ['(C) Pagets disease <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Osteoporosis  (B) Osteopetrosis  (C) Pagets disease  (D) Renal osteodystrophy <> possible answers', '  A 55 yr old patient presented to the opd with complaint of pain in back. On examination his limbs seemed to be bent with overlying warm and thick skin. Patient also complain of decreased hearing over a few days. On biochemical analysis his serum ALP was raised. X-ray obtained showed the following features. Most probable diagnosis? <> context']