Task: Question Answering
Input (English): Passage: Today I went grocery shopping . I needed to buy fruit , and cereal , and some meat for dinner . First I went into the produce section . My favorite fruit is apples , and my son 's favorite fruit is grapes , so I bought apples and grapes . I also bought some broccoli and potatoes to have for dinner . Next I went to the cereal aisle . I bought some corn flakes . Then I remembered that I had finished the milk that morning , even though it was n't on my shopping list . Then I looked in the cold case for some meat for dinner . My son and I like all kinds of different meat , so I looked to see if anything was on sale . There were pork chops on sale so I bought those . I went to the check out . First I put my shopping bags on the conveyor , then I loaded up all my food . While the cashier was scanning my food , and packing my shopping bags , I swiped my credit card . I signed on the credit card machine . I put the cart back in the cart corral , and then I got in my car and drove home . Question: When did they buy a gallon of milk? Option1: Today Option2: Yesterday
Output (English): Today