[{'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: The Service includes an internal messaging system which provides you the ability to send and receive messages to and from other users, and to receive marketing messages from us. You hereby agree that we may use the internal messaging system for the purpose of informing you regarding products or services, which may interest you."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]