[{'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: Therefore, you agree that we and our corporate affiliates may take such actions and that you will not seek to block or otherwise interfere with such crawling or monitoring (and that we and our corporate affiliates may use technical means to overcome any methods used on your site to block or interfere with such crawling or monitoring)."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]