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A: When are we going to stop?
B: We'll stop at the next McDonald's.
A: How far away is that?
B: I think we'll be there in half an hour.
A: I hope so. I have to go to the bathroom.
B: Well, I can always pull over.
A: No, thank you, I'll just wait.
B: We can kill two birds with one stone.
A: What do you mean?
B: While you're using the bathroom, I'll order some food.
A: Don't order for me. I'm not hungry.
B: I'm very hungry. I'll order for you, and then I'll eat yours.
