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: Once I got back to my desk at work, I opened my breakfast and began. The first thing I ate was a muffin. After eating the muffin, I proceeded to the milk. It was all so good! Now, I don't feel like I'm hungry at all.
 selected sentence: Once I got back to my desk at work, I opened my breakfast and began.

I leave >Causes/Enables> I come back