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: Ann had never been on an airplane. Her family was going on vacation next month to Florida. She was scared the plane was going to fall down. Her friend told her there was nothing to worry about. Ann got on the plane, and the plane landed safely.
 selected sentence: Her friend told her there was nothing to worry about.

Ann worries about going on an airplane >Causes/Enables> Her friend tells her there is nothing to worry about