[{'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: Invite a Friend PikPok may offer you the opportunity to invite your contacts from an SNS (such as your Facebook friends) so that those contacts can be located in our Games and/or you can invite them to join you in playing our Games. Such contact information will be used only for the purpose of sending communications to the addressee. You or the third party may contact us at privacyofficer@pikpok.com to request the removal of this information from our database to the extent we store any of this information."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Facebook_SSO, SSO.'}]