[{'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: We may reject requests that are unreasonable or not required by law, including those that would be extremely impractical, could require disproportionate technical effort, or could expose us to operational risks such as free trial fraud. We may retain information as required or permitted by applicable laws and regulations, including to honor your choices, for our billing or records purposes and to fulfill the purposes described in this Privacy Statement."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]