[{'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: You can change your marketing communication preferences at any time: If you would like to unsubscribe from an email sent to you, follow the 'unsubscribe' link and/or instructions placed (typically) at the bottom of the email. But note that: If you use more than one e-mail address to shop or contact Sony Mobile, you will need to unsubscribe separately for each email address"}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_E_Mail_Address_1stParty.'}]