Definition: In this task you are given a short story and a question regarding that story. You must answer the question based on the events of the story. Try to use the same words in the story to answer each question. You should completely answer the question in a short answer. Do not include information that is unnecessary to answer the question.
Input: Joseph went to make himself a pot of coffee. He discovered he was out of coffee. He went to the store to shop for coffee beans. He bought some and brought them home. He made a delicious pot of coffee!
Why did He discover he was out of coffee?
Output:
He discovered he was out of coffee.