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: Kathy had just had a new baby. She was home with him when the doorbell rang. When she answered the door she saw her friend. They were holding a casserole dish. Kathy thanked her friend for bringing her food.
 selected sentence: She was home with him when the doorbell rang.

Someone_Approaches the door >Causes/Enables> The doorbell rings