response: Do you drink it for energy? It has a stimulating effect because of caffiene.
history: Coffee is very important to me. I drink it every day. Interesting, did you know the beans come from a plant called the coffea plant? No, that's interesting. I always drink my coffee black. I see, do you prefer to drink it hot, or cold? I always drink my coffee hot.
knowledge: Coffee is slightly acidic and has a stimulating effect on humans because of its caffeine content.