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.

Let me give you an example: Charlie was unemployed though she was a good worker. Charlie needed to seek work quickly to keep up with paying bills. Charlie looked in the classified ads for a job and found one. Charlie went to company headquarters and applied in person. Charlie arrived at the interview prepared and was given a job offer.
Why did Charlie go to company headquarters?
The answer to this example can be: she was applying for a job.
Here is why: the answer can be inferred from the fourth sentence, and completely answers the question.

OK. solve this:
Dan had a very fine cobblestone walkway. Some of the stones had started to jut out unevenly. Dan got out a shovel and leveled the dirt under them. He tamped them down gently to make them all match. Now the stones in Dan's walkway are all perfectly even.
Why did Dan get out?
Answer:
Dan got out a shovel and leveled the dirt under them.