input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A girl suffering from browning of teeth, wearing of enamel but not cavitatory. OPG shows obliteration of pulp with narrowing of canal & deposition of secondary dentin, she gave the history that out of her 4 brothers, 2 are suffering from the same disease. She is suffering from   (A) Amelogenesis imperfecta   (B) Dentinogenesis imperfecta   (C) Fluorosis   (D) Odontodysplasia
output: ['(B) Dentinogenesis imperfecta <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Amelogenesis imperfecta  (B) Dentinogenesis imperfecta  (C) Fluorosis  (D) Odontodysplasia <> possible answers', '  A girl suffering from browning of teeth, wearing of enamel but not cavitatory. OPG shows obliteration of pulp with narrowing of canal & deposition of secondary dentin, she gave the history that out of her 4 brothers, 2 are suffering from the same disease. She is suffering from <> context']