[{'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: Your email address will be used to send you service updates and notifications regarding your account, and (if you have elected to receive them using your account preferences) newsletters, marketing messages and certain email notifications. For information about how to change your preferences, and to unsubscribe from newsletters, marketing messages and email notifications, please see the Choice and Control section, below."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_E_Mail_Address_1stParty.'}]