[{'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: Amendment to the Policy You agree that we may update or revise this Policy in order to comply with the laws and regulations or our newly commercial arrangement and you consent to be bound by the revised version of this Policy. If significant or material amendment to this Policy is involved, we may send a notice on the Sites if necessary. We recommend you to periodically stay tuned to the notices on the Sites"}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]