Task: Question Answering
Input (English): Passage: The kids ' bedroom was a mess . There were toys everywhere . I knew it needed to be cleaned before someone fell and hurt themselves . They all went into one container by themselves . Next were the books . I put them back neatly onto the bookshelves where they belonged . The kids have a special hamper where they put all their dolls . I threw the dolls into the hamper . The dolls accessories were next . The room was almost clean . All that was left were the toy cars . I picked them up and tossed them into a bin that we keep under the bed . The next time it was dirty , they would have to clean it themselves ! Question: What did they roll back under the bed? Option1: The bin of toy cars. Option2: The bin of dolls.
Output (English): The bin of toy cars.