[{'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: 12 Changes to the Privacy Policy Occasionally we may, in our discretion, make changes to the Agreements. When we make material changes to the Agreements, we'll provide you with prominent notice as appropriate under the circumstances, e.g., by displaying a prominent notice within the Service or by sending you an email. In some cases, we will notify you in advance, and your continued use of the Service after the changes have been made will constitute your acceptance of the changes. Please therefore make sure you read any such notice carefully. If you do not wish to continue using the Service under the new version of the Agreements, you may terminate the Agreements by contacting us through the Customer Service contact form."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]