dialogue: W: Eastern Airlines Agency. Good Morning. M: Good Morning. I want to book a round-trip ticket. W: Where are you flying from, and what's your destination, sir? M: From Montreal to Toronto. W: What day do you want to fly? M: I want to leave on Monday the 24th and return on Friday. Do you have any flights in the afternoon? W: Yes, we do. By the way, will that be first class or economy class? How many people are there in your party? M: Just myself. And I'd like economy class. W: All right, there are seats still available. Would you prefer a window, aisle or center seat? M: Window, please. Thank you.
question: Which seat would he prefer?
choice: Aisle seat. Window seat. Center seat.
answer: Window seat.