Use reasoning to lead to the answer of the following question:
Sarah did all of it. She was the best saleswoman in the city. But she was never acknowledge for her what?\nOptions:\n- work hard\n- sell products\n- field question\n- slow down\n- productivity
 Reasoning process:
User
People who work hard become best in their line of work. Saleswoman is a line of work. Therefore, the final answer is work hard.
Assistant