[{'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: When you delete a message, you delete it from your message history. This means that a copy still stays on the server as part of your partner's message history. As soon as your partner deletes it too, it's gone forever. Telegram's goal is not to bring profit and we value the disk space on our servers greatly."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]