[{'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: Flipkart reserves the right to refuse to process Transactions by Buyers with a prior history of questionable charges including without limitation breach of any agreements by Buyer with Flipkart or breach/violation of any law or any charges imposed by Issuing Bank or breach of any policy."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]