[{'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 have the ability to decide whether to ask a question anonymously or on a named basis each time you submit a question to another user. However, this also means that when you receive questions or comments, you may not know who they come from either!"}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]