[{'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: You agree to pay all fees and applicable taxes incurred by you. Com2uS may revise the pricing for the goods and services it licenses to you through the Com2uS Service at any time."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]