[{'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: To send periodic emails: The email address you provide for order processing, will only be used to send you information and updates pertaining to your order or information related to End Permian (only if you opt-in.)"}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_E_Mail_Address_1stParty.'}]