Task: Question Answering
Input (English): Passage: Yesterday I had to pay for gas . The first thing I had to do was to put gas in my car . After this , I knew I had to pay for the gas . In order to do this , I double checked the price of the gas station I was at , and then I went inside to tell the cashier the number of the gas pump I was at . Since I paid , I got a receipt back from the cashier . I went on to go back to my car , where I now had a full tank of gas that I fully paid for . I had a great time buying gas for my car , because I really needed more gas to make sure I had enough to drive to class . Question: When were they paying for gas? Option1: before getting gas Option2: yesterday
Output (English): yesterday