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: A friend asked Bill to watch his dog while he was gone. The dog was left at Bill's house. The dog got out of Bill's yard and disappeared. Bill's friend came back early to look for the lost dog. The dog was found in a neighbor's garage.
 selected sentence: A friend asked Bill to watch his dog while he was gone.

Bill's friend is going out >Causes/Enables> Bill's friend asks Bill to watch his dog