In this task, you're given a context passage, followed by a question that needs to be answered. Based on the paragraph, you must write unambiguous answers to the questions and your answer must refer to a specific phrase from the paragraph. If multiple answers seem to exist, write the answer that is the most plausible.
One example is below.
Q: Tracy slept awkwardly on their new bed and was having some pain, so Tracy cracked her neck.
Question: What did Tracy do with her neck?
A: crack her neck
Rationale: The output phrase perfectly answers the question and is explicitly mentioned in the passage as well.
Q: 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. I then lifted the phone to my ear and said "Hello, Sister!" 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. We chatted for a while, and then she indicated that she had go to an appointment downtown. 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 answered the phone?
A:
The person telling the story