In this task you are given a short story and a question regarding that story. You must answer the question based on the events of the story. Try to use the same words in the story to answer each question. You should completely answer the question in a short answer. Do not include information that is unnecessary to answer the question.

Tom and Chris were best friends. They enjoyed skating together. They decided to visit a lake. The lake was frozen over since it was very cold. They decided to ice skate across the lake for fun.
Why did They decide to ice skate across the lake for fun?
They enjoyed skating and the lake was frozen.