Task: Question Answering
Input (English): Passage: I noticed that my alarm clock was not working . The numbers were not showing up on the screen . So I knew it was time to change the batteries . It uses one 9 volt battery . Next , I checked to see if I had any 9 volt batteries in the house . I did not , so I knew I had to go to the store . Then , I went to the alarm clock and opened the battery compartment . I took out the old battery and threw it away . Then I took a new battery out of the pack I just bought . Then I checked to see if the numbers were lit up . Then it was time to set the time . I checked my watch for the correct time and pushed the buttons to make the alarm clock the right time . Finally , I set the alarm time to the time I usually wake up and set the alarm for the next day . Question: What did the clock need to make it work again? Option1: a new crystal Option2: a new battery
Output (English): a new battery