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.

Buck had a crush on Nancy and wanted to impress her. After thinking of how to impress her, he decided to buy flowers. Buck went to the flower store, but didn't know what to get. The store owner suggested he buy roses, so Buck bought some. Buck gave the flowers to Nancy and she was very impressed.
Why did Buck give the flowers?
he wanted to impress her.