[{'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: Returns Policy Definition: 'Return' is defined as the action of giving back the item purchased by the Buyer to the Seller on the App. Following situations may arise: Item was defective Item was damaged during the Shipping Products was / were missing Wrong item was sent by the Seller."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]