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: I called my son today. He said that he was going to florida for 4 days. I asked him when he was coming back He said in about four days. He said that he would bring me some shells from the beach.
 selected sentence: He said in about four days.

I asked my son when he was coming back >Causes/Enables> My son said in about 4 days