Task: Dialogue Generation
Input (English): M: We are very disappointed. ,F: Why? ,M: We planned to go to an outdoor concert tonight. Unfortunately, it began to rain heavily before we left and the concert has been canceled.
(A) F: I am so sorry that the concert has been cancelled. (B) F: I am so sorry that the indoor concert has been cancelled. (C) F: Why was the concert disappointing? It was held by famous musicians. (D) F: I didn’t hear you. Please could you tell me again?
Output (English): A