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: Jane was sitting on a bench at the park. A bird came by. It was wandering around. Jane decided to throw a piece of her sandwich on the ground. The bird ate it.
 selected sentence: A bird came by.

Jane goes to the park >Causes/Enables> A bird comes by