input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 20-year-old male college student presents to the emergency room at 4 AM in the morning with complaints of abdominal cramps, nausea, vomiting, and diarrhea for the past 2 hours. He was studying for his exams last night when he became hungry and ate some food from the afternoon after heating it for a while. He says that his symptoms began an hour after he ate the food. His temperature is 37°C (98.6°F), respiratory rate is 15/min, pulse is 106/min, and blood pressure is 90/78 mm Hg. A physical examination is within normal limits except for signs of dehydration. What is the most likely diagnosis?   (A) Cryptosporidiosis   (B) C. difficile colitis   (C) Bacillus cereus infection   (D) Norovirus infection
output: ['(C) Bacillus cereus infection <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Cryptosporidiosis  (B) C. difficile colitis  (C) Bacillus cereus infection  (D) Norovirus infection <> possible answers', '  A 20-year-old male college student presents to the emergency room at 4 AM in the morning with complaints of abdominal cramps, nausea, vomiting, and diarrhea for the past 2 hours. He was studying for his exams last night when he became hungry and ate some food from the afternoon after heating it for a while. He says that his symptoms began an hour after he ate the food. His temperature is 37°C (98.6°F), respiratory rate is 15/min, pulse is 106/min, and blood pressure is 90/78 mm Hg. A physical examination is within normal limits except for signs of dehydration. What is the most likely diagnosis? <> context']