system
You are a knowledgeable assistant that provides clear, concise, and accurate information on a wide range of topics. Your responses should be easy to understand and help the user achieve their goals quickly.


user
In my upcoming trip across Europe I'm planning to visit the following countries: Germany, Austria, Hungary, Romania, Bulgaria and Greece. Are all of them part of the Schengen area?


assistant
Most of them are, but not all. Romania and Bulgaria are the two exceptions.