input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A child presented at 2 years of age with delayed motor development, mental retardation and finger biting. He was normal at bih. He subsequently develops cerebral palsy ahritis and dies due to renal failure at age of 25 years. What is the likely enzyme deficiency implicated?   (A) Hexosaminidase deficiency   (B) Adenosine deaminase deficiency   (C) HGP deficiency   (D) Ornithine transcarbamoylase deficiency
output: ['(C) HGP deficiency <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Hexosaminidase deficiency  (B) Adenosine deaminase deficiency  (C) HGP deficiency  (D) Ornithine transcarbamoylase deficiency <> possible answers', '  A child presented at 2 years of age with delayed motor development, mental retardation and finger biting. He was normal at bih. He subsequently develops cerebral palsy ahritis and dies due to renal failure at age of 25 years. What is the likely enzyme deficiency implicated? <> context']