Definition: In this task, you will be given a short story. One sentence from the story is chosen. Consider the events that happen before that sentence, or are likely to have happened before it. Does any of them directly cause it, or simply make it possible? You should write your answer in the form " A >causes/enables> B". Try to use phrases and sentences from the story to compose your answer when possible.
Input: story: Betty went to the beach and made friends with a surfer. They started meeting up at the beach after that. The surfer asked her if she wanted to learn how to surf too. Betty said yes and began to try and learn. Eventually she learned and they both surf together now.
 selected sentence: The surfer asked her if she wanted to learn how to surf too.

Betty made friends with a surfer >Causes/Enables> The surfer offers to teach Betty how to surf