[{'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: If you choose to use our referral service to "Tell a Friend" about an NWG product or site, we will ask you for your friend\'s email address or telephone number. We will send your friend an email or SMS(short message service) on your behalf inviting him or her to visit the site or check out our product.'}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_E_Mail_Address_1stParty, Contact_Phone_Number_1stParty.'}]