Task: Question Answering
Input (English): Passage: I was walking down the street with my phone in my pocket , when it began to vibrate . I pulled my phone out of the pocket and looked at the screen . The screen indicated that I was receiving an incoming phone call from my sister . I pressed the button on the screen marked `` accept '' to indicate that I wanted to accept the call . in a pleasant voice . My sister was calling to discuss the details of our upcoming family vacation this summer . I confirmed that I agreed with her hotel selections for our vacation . I told her that I was glad to have had a chance to have spoken with her , and that I would speak to her again soon . I pressed the button to end the call and hung up the phone . Question: Who did they say hello to? Option1: to each other Option2: to their mother
Output (English): to each other