[{'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 are creating an opt-out option within some of our apps. You may choose it by visiting ''Info Screen'', ''Settings'' and ticking the ''Disable Interest-Based Ads''. Choosing this option will mean that you will still be served ads, but they will not be tailored to your preferences. Should you decide to opt out of advertising altogether, you may make an in-app purchase to do so, or you can delete the app."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]