[{'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: We encourage Business Partners to adopt and post privacy policies. However, their use of Personal Information obtained through Groupon is governed by their privacy policies and is not subject to our control."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]