[{'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: Captioning. During Xbox real-time chat, players may activate a voice-to-text feature, which allows the user to view the audio in-game chat as text. If a user activates this feature, the other players will have no additional notice. Microsoft uses this data to provide captioning of chat for users who need it. We also use this data to improve our ability to provide the service and other, similar voice-based services."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]