[{'role': 'user', 'content': "Analyze the following clause from a privacy policy and determine if it's fair or unfair. Also identify any privacy practices mentioned: Personal information is used to enable visitors to take advantage of site offerings, respond to visitor's requests for products, services, and information, manage games and Site functionality, serve appropriate material to visitors and customize content."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]