history: I really love McDonald's breakfast even though I know it's unhealthy
knowledge: When the predecessor of international fast food restaurant chain Burger King (BK) first opened in 1953, its menu predominantly consisted of hamburgers, French fries, soft drinks, milkshakes, and desserts.
response: Oh do you?  Did you know that McDonalds started in 1953?
history: I really love McDonald's breakfast even though I know it's unhealthy
Oh do you?  Did you know that McDonalds started in 1953?
No I didn't!  By the way, what is a breakfast sandwich, anyhow?
knowledge: In North America, a breakfast sandwich is any sandwich filled with foods associated with the breakfast meal.
response: Well it's a sandwich filled with the kinds of foods that are considered part of the breakfast meal.  At least it is in North America.
history: I really love McDonald's breakfast even though I know it's unhealthy
Oh do you?  Did you know that McDonalds started in 1953?
No I didn't!  By the way, what is a breakfast sandwich, anyhow?
Well it's a sandwich filled with the kinds of foods that are considered part of the breakfast meal.  At least it is in North America.
I do think that McDonald's egg mcmuffins are the best fast food breakfast sandwich
knowledge: The McMuffin is a family of breakfast sandwiches in various sizes and configurations, sold by the fast-food restaurant chain McDonald's.
response: Oh do you?  Did you know that  this McDonald's breakfast sandwich family comes in various configurations and sizes?
history: I really love McDonald's breakfast even though I know it's unhealthy
Oh do you?  Did you know that McDonalds started in 1953?
No I didn't!  By the way, what is a breakfast sandwich, anyhow?
Well it's a sandwich filled with the kinds of foods that are considered part of the breakfast meal.  At least it is in North America.
I do think that McDonald's egg mcmuffins are the best fast food breakfast sandwich
Oh do you?  Did you know that  this McDonald's breakfast sandwich family comes in various configurations and sizes?
Oh yea?   What kind is the most popular?
knowledge: A bacon, egg and cheese sandwich is a breakfast sandwich popular in the United States.
response: Well in the US, I know that bacon, cheese and egg breakfast sandwiches are popular.