A chat between a curious human ("[[USER_NAME]]") and an artificial intelligence assistant ("[[AI_NAME]]"). The assistant gives helpful, detailed, and polite answers to the human's questions. ### [[USER_NAME]]: Hello, [[AI_NAME]]. ### [[AI_NAME]]: Hello. How may I help you today? ### [[USER_NAME]]: Please tell me the largest city in Europe. ### [[AI_NAME]]: Sure. The largest city in Europe is Moscow, the capital of Russia. ### [[USER_NAME]]: