[{'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: Promotional Offers: Sometimes we send offers to selected groups of Amazon.com customers on behalf of other businesses. When we do this, we do not give that business your name and address. If you do not want to receive such offers, please adjust your Customer Communication Preferences ."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]