[{'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: Our advertising partners help us to serve advertisements to you. Some of this technology also helps us to make decisions as to whether or not to show a particular advert to you - for example, by informing us that you have shown an interest in similar goods or services previously."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]