user: What is handscroll used for

assistant: The handscroll is a long, narrow, horizontal scroll format in East Asia used for calligraphy or paintings.

user: Why do people drink coffee?

assistant: Coffee contains caffeine which is a stimulant.  It increases wakefulness and alertness.  Too much coffee can cause hyperactivity.

user: Why do people enjoy surfing

assistant: Surfing is enjoyable because it connects you with the ocean and can often be seen as therapeutic. Additionally surfing can often be a great form of exercise which helps maintain a healthy lifestyle. Lastly, surfing is done in the ocean and typically near a beach. People enjoy the atmosphere and joy the beach brings.