[{'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 reserve the right to use all content generated by our users. By such content, we mean all content that users publish through the game and that is visible to other users (including but not limited to wall posts, sent messages, and other kinds of interaction with other players). Please note that Playrix does not guarantee the protection of any Personal Information posted in comments and/or on user walls. With that in mind, please double-check information before publishing it in the public domain. We are in no way responsible for how that information is used by other parties."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]