[{'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 do not sell your Personal Information to anyone for any purpose. Period. We maintain information about you in our business records while you are a user, or until it is no longer needed for business, tax, or legal purposes. We have implemented encryption or other appropriate security controls to protect Personal Information when stored or transmitted by ContextLogic."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]