Task: Question Answering
Input (English): Context: I picked up one of those ' dividers ' that they keep by the cash register and placed it between our things so they would n't get mixed . After the girl had scanned all of my items , she picked up the ' divider ' , looking it all over for the bar code so she could scan it . Not finding the bar code she said to me , ' Do you know how much this is ? '. 
Question: Why was there no barcode on the dividers ?
Output (English): The employees had overlooked the item .