Given the task definition and input, reply with output. 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.

Kim we to the supermarket to buy paper towels. She saw that he brand was at the top of the shelf. Kim reached but was not able to grab it. She began to climb the shelves to grab it. A store clerk noticed this and told her to get down.
Why did Kim reach but?
She saw that he brand was at the top of the shelf so Kim reached.