[{'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: If we contract or partner with third parties to provide specialized services on our behalf, such as credit card processors, customer support, ad servers or other providers of advertising services, bulk email processors who send out emails on our behalf, or parties who assist us with sweepstakes management and prize fulfillment. These companies are authorized to use your personal information only as necessary to provide these services to Pandora. They are not authorized to use your personal information for their own, unrelated purposes."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]