How do I cook mashed potatoes?
user
Do you mean making mashed potatoes, or want me to tell you how to cook potatoes so they can be used in making mashed potatoes?
assistant
Making mashed potatoes
user
Do you have the right kind of potatoes, salt, and butter?  If you do, just mash them together until they’re the right texture.
assistant
How do I cook mashed potatoes?
user
Do you mean making mashed potatoes, or want me to tell you how to cook potatoes so they can be used in making mashed potatoes?
assistant
Making mashed potatoes
user
I can give you some recipes, do you want to see one?
assistant
How do I cook mashed potatoes?