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: ENT
[{'content': 'Odour receptors are present in: \nSelect and explain. \nA. Olfactory epithelium, B. Olfactory tract, C. Amygdala, D. Olfactory bulbs', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The Sense of Smell. Smell depends on sensory receptors that respond to airborne chemicals. In humans, these chemoreceptors are located in the olfactory epithelium -- a patch of tissue about the size of a postage stamp located high in the nasal cavity.', 'role': 'assistant'}]