This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
[{'content': 'Which is an omega-9 fatty acid ? \nSelect and explain. \nA. Arachidonic acid, B. Oleic acid, C. Linolenic acid, D. Cervonic acid', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'B i.e., Oleic acid", 'role': 'assistant'}]