Given the task definition and input, reply with output. In this task you are given a story and a question regarding that story. You must judge whether the question is answerable based on the info given to you. Label the instances as "Answerable" or "Not Answerable" based on your judgment. the story and the question are separated by a new line character.

Singapore is a fun place to visit if you're in Southeast Asia. It has many different types of things to do while on vacation. Today my family plans to visit Sentosa Island. My sister and I had an argument on the way to the island. She said Dad would choose to play golf but I didn't think so.
Why did She say Dad would choose to play golf?
Not Answerable