input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A patient comes to your clinic with a complaint of multiple episodes of loose watery stool for 3 days. On probing, you discover that these episodes sta after he had ingested shellfish at a local restaurant 3 days back and other people who had food from that restaurant had similar symptoms. What is the most common cause of viral diarrhoea in adults?   (A) Calicivirus   (B) Rotavirus   (C) Adenovirus   (D) Norovirus
output: ['(D) Norovirus <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Calicivirus  (B) Rotavirus  (C) Adenovirus  (D) Norovirus <> possible answers', '  A patient comes to your clinic with a complaint of multiple episodes of loose watery stool for 3 days. On probing, you discover that these episodes sta after he had ingested shellfish at a local restaurant 3 days back and other people who had food from that restaurant had similar symptoms. What is the most common cause of viral diarrhoea in adults? <> context']