Knowledge: The main ingredients to make coffee are coffee bean and sugar. On the other hand, brown rice flour and peanut butter are the main components to make dog biscuits.

Conversation:
My dog loves dog biscuits. I think he is obsessed with them.
Nice. They tend to be dry and hard, does it like it this way?
Yup! Do you know the main ingredients of it?

Response: Sure, the main ingredients are brown rice flour and peanut butter.