Can you recommend a resort to me ?
neutral
user
What about the Yellowstone National Park ?
neutral
assistant
Have you ever been there ?
neutral
user
Yes . The scenery is so breathtaking .
happiness
assistant
What is especially impressive ?
neutral
user
There are thousands of hot springs and fountains . The park is known for them .
happiness
assistant
Is there a waterfall ?
neutral
user
Yes . The well-known Yellowstone Waterfall is formed when the Yellowstone Lake falls down into the Yellowstone Canyon .
happiness
assistant
What an attractive place ! How can I get there ?
happiness
user
You can take No . 2 bus .
neutral
assistant