Task: Dialogue Generation
Input (English): M: It's Tom, mom. I'll be home late. I'm afraid I got caught in traffic. ,F: Oh, what a pity! You'll miss the basketball match tonight. I hope you have your umbrella with you. It looks like it's going to rain.
(A) M: It can't be helped. I can't avoid the heavy traffic. (B) M: It can't be helped. I can't avoid the heavy traffic, but it's fortunate to hear that I won't miss the basketball match tonight. (C) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (D) M: It can't be helped. I'm sorry that I'll be home late because of the basketball match.
Output (English): A