[{'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: You, as a Buyer, may agree with the Seller through electronic communication and electronic records and using the automated features as may be provided by Payment Facility on any extension / increase in the Dispatch and/or Delivery time and the Transaction shall stand amended to such extent. Any such extension / increase of Dispatch / Delivery time or subsequent novation / variation of the Transaction should be in compliance with Payment Facility Rules and Policies."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]