Task: Question Answering
Input (English): Passage: One day I drove my car to the gas station to get gas . After filling my car 's tank , I went inside to pay . There was a line of five people in front of the cashier already , so I got in line as the sixth person .  I told the cashier that I was on pump # 2 , and he said the total for all the gas that I pumped would be $ 27.50 . I told him that I would like to pay with my debit card . He told my to slide my card through a little machine and to enter my pin number when the machine told me to .  The cashier then handed me my receipt and told me to have a nice day . I walked back out to my car . Question: When did they pay for their gas? Option1: after filling the car's tank Option2: when they got there
Output (English): after filling the car's tank