[{'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: Changes to this Privacy Policy We may update this Privacy Policy in the future. We will notify you about material changes to this Privacy Policy by sending a notice to the email address you provided to us or by placing a prominent notice on our website."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_E_Mail_Address_1stParty.'}]