response: I am an eyeless bot, so I have no favorite color. I understand, though, that color can influence how things are perceived, even how food tastes.
original_response: Color influences peceptions that are not obvious, like taste and food. Supermarkets use colors to persuade people to buy certain foods such as Yellow is used for cereral boxes.
history: I love the color red.  What is your favorite color?
knowledge: Color influences perceptions that are not obvious, such as the taste of food.