[{'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 always choose whether you wish to receive promotional email, SMS messages, telephone calls and postal mail from Microsoft. You can also opt out from receiving interest-based advertising from Microsoft by visiting our opt-out page."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_Phone_Number_1stParty, Contact_Postal_Address_1stParty.'}]