This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of lipid, 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: Unsaturated fatty acids are also designated o3 (omega 3) family--Linolenic acids o6 family--Linoleic and Arachidonic acids ( o9 family--Oleic acid.Ref: DM Vasudevan - Textbook of Biochemistry, 8th edition, page no: 76', 'role': 'assistant'}]