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Which of the following is an example of an "olfactory" feature?
A visual display
A sound installation
The ability to smell
A tactile experience
The correct answer is: The ability to smell
The term "olfactory" specifically relates to the sense of smell. An example of an olfactory feature would be anything that involves the detection or perception of odors. Therefore, the ability to smell is the correct answer as it directly pertains to the olfactory system, which is responsible for our sense of smell. This ability involves the olfactory receptors in the nasal cavity that detect airborne chemical molecules, allowing us to recognize and interpret different scents. Visual displays, sound installations, and tactile experiences pertain to other senses: sight, hearing, and touch, respectively. These do not relate to the olfactory feature in any way, which further emphasizes why "the ability to smell" is the clear and accurate choice in this context.