What is the best selling type of ice cream in the US?
user
That depends. On what kind of ice cream you mean?
assistant
The kind you eat in a bowl.
user
I don’t think there is one best selling type.
assistant
You tell me about hard serve.
user
What is hard serve?
assistant
Ice cream?
user
Can you be more specific?
assistant
What is the best selling type of ice cream in the US?
user
That depends. On what kind of ice cream you mean?
assistant
The kind you eat in a bowl.
user
I don’t think there is one best selling type.
assistant
You tell me about hard serve.
user
What is hard serve?
assistant
Ice cream?
user
I’m not sure.  Would you like to tell me more about what hard serve ice cream is?
assistant
What is the best selling type of ice cream in the US?