[{'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: In the event that you provide us with answers to voluntary survey questions, we may present this information to our advertisers and partners, in the form of grouped statistics compiled from our users' answers to such questions."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]