A: That's a funny-looking outfit!
B: It's a professional running suit.
A: Why are you wearing it?
B: I'm training for the marathon!
A: I didn't know you liked running.
B: I'm just trying to lose weight.
A: Well, this is a good way to do it.
B: The marathon is also a fundraiser.
A: Maybe I'll sponsor you.
B: Why don't you just run instead?
A: Are you calling me fat?
B: I just thought both sides would benefit that way.