Knowledge: The cost of playing golf is about $100 per person per round. On the other hand, to take a wine tasting course in San Francisco, USA, will be about $200 for 4 weeks and all wines are included.

Conversation:
I would love to take a wine tasting course.
Sounds interesting, you would be partaking in a practice that has been more formalized since the 1300s.
Neat, do you know how much it can cost?

Response: Oh, the price of a wine tasting course in San Francisco, USA is about $200 for 4 weeks and all wines are included.