[{'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: How do you change your information and preferences? To update or modify the information and preferences, i.e., whether we share your personal information with third parties or publishers, or updating any marketing preferences we hold, if applicable, that we have on file for your user account, if applicable, simply go to the applicable Site or Service, log in, go to the user account section, then modify your details and settings as necessary."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]