This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous system, Subject name: Physiology
[{'content': 'All are true about olfaction except \nSelect and explain. \nA. Key-lock system, B. Chemical mediated, C. Females have stronger sense of olfaction, D. Males have stronger sense of olfaction', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Olfaction is greater in female then in males Ref: guyton and hall textbook of medical physiology 12 edition page number:645,646,647', 'role': 'assistant'}]