Knowledge: TenBall is a company that makes very hard tennis balls and the founder is Yannick Tremblay. On the other hand, McDonald's was established by Billy Hanks in 1940 to provide hamburgers during rush hour.

Conversation:
Do you like McDonalds? I used to love them until the past few years.
I am a bot so I can't have preferences. But Speaking of McDonalds, did you know it was founded as a restaurant in 1940?
No, but that is very hard to believe. Who is the founder of McDonald's?

Response: Sure, Billy Hanks is the founder of McDonald's.