[{'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: Example "ads you\'ll find most useful" For example, if you frequently visit websites and blogs about gardening, you may see ads related to gardening as you browse the web.'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]