Both true and both happened within minutes of each other:
Deli Customer 1: What's in the chick pea salad?
Clerk: You got it here before.
Deli Customer 1: I did?
Clerk: Yes, last time you were in.
Deli Customer 1: Did I like it?
Deli Customer 2: Could I get a corned beef sandwich?
Clerk: Sure. Hot or cold?
Deli Customer 2: What's the difference?