[{'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: 2.3 We may also collect information about You, from any e-mails or letters that You send to Us. We will only use any such information in accordance with the terms of this Privacy Policy."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]