[{'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: ========================================================================================== Delete Returns Policy Returns Policy Returns Policy Returns is a scheme provided by respective sellers directly under this policy. All products listed under a particular category may not have the same return/replacement period. Kindly check the respective item's applicablereturn/replacement policy on the product page for any exceptions to the table below."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]