Definition: In this task you are given a small conversation between two persons and 4 options on how the conversation should continue. Your job is to choose the most reasonable option. The conversation and the options are separated by a newline character. Each dialogue in the conversation are separated by a comma. F and M indicate female and male, respectively.
Input: M: Hi Grandma, it's so good to see you again. ,F: Nice to see you Jack. ,M: We haven't seen each other for half a year. ,F: You are much taller now. Here's your gift. ,M: Thanks, grandma. May I open and have a look at it? ,F: Sure, I hope you like it. ,M: A racing car right? Oh, Grandma. You are great. ,F: I'm glad you like it. ,M: Sure. Gramma this way. How is your flight? ,F: Fine. It took me about 5 hours to get here. ,M: That's a long trip, you must be very tired. ,F: I'm OK, I slept all the way. ,M: Let's go home. Our car is waiting outside. ,F: How long will it take to get home? ,M: About half an hour if the traffic is good.
(A) F: I’m sorry, I don’t understand. Could you say it again? (B) F: So it'd take as long as half an hour with heavy traffic. (C) F: Even the shortcut would cost an hour by car, darling? (D) F: Oh, great. Half an hour by car would be good for me.

D