[{'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: We may offer you the opportunity to invite your contacts from a Sign-in Service so that those contacts can be located in our Services games and/or you can invite them to join you in our Services. The contact information will not be used for other purposes. You or the addressee may request us to remove this information."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_1stParty, SSO.'}]