Please answer the following question: Question: Violet was rolling an eggplant around the kitchen. She noticed that when she rolled it across the kitchen rug, the eggplant went slower than when she rolled it across the wooden cutting board. She realized that this happened because which surface was smoother? (A) cutting board (B) kitchen rug Do not use A and B to answer the question but instead, choose between "kitchen rug" and "cutting board".
Answer:
kitchen rug