Detailed Instructions: 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.
Q: Sandra had to sign an important document at work but he lost her pen. She tried to write it in pencil but her boss would not accept it. Sandra went to her co-worker to ask for a pen. He dug in his desk and found a green and a blue pen. Sandra took the blue pen and signed the document again.
Why did He dig in his desk?
A:
Sandra went to her co-worker to ask for a pen.