Task: Question Answering
Input (English): Passage: Yesterday I received in the mail an envelope with the electric bill . The amount I had to pay was 50 $ . As I did not want to incur in any fees for late payment , I decided to pay it right away . The letter said I could make payment over the phone , so I dialed the number printed in the letter . I said I wanted to pay my bill , so the agent asked a few information about me in order to verify my account . Once the agent found my name , my address and my account number in their computer , they asked my credit card information to complete the payment of 50 $ . I gave the agent all the info he needed and after a few seconds he told me that the payment went through and my balance was 0 . Then , we said goodbye and the call was over . My bill was paid . Question: Who proved the bill was paid? Option1: The agent told him the balance was at 0 Option2: The writer
Output (English): The agent told him the balance was at 0