[{'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: +82 1566-0112 ㅣ URL : http://www.ctrc.go.kr/ 11. Supplementary Provisions 1) In the case of an amendment to this privacy policy, the Company shall announce the reason for the amendment, and the effective date of the amendment, along with the current, effective privacy policy on a service page starting from 10 days in advance of the effective date and up to one day in advance of the effective date. However, when there are changes to significant details concerning the rights and obligations of the user, the announcement shall be made at least 30 days in advance. 2) If the user does not explicitly express their refusal, despite the Company's announcement that the user's acceptance would be deemed as expressed unless the user clearly expresses their refusal before the effective date of the amendment, as the Company announces the amendment in accordance with Paragraph 1, the user will be deemed as having accepted the amendment. 3) Despite Paragraph 2, if the Company needs to collect additional personal information from the user, or provide additional personal information to third parties, the Company shall obtain additional consent to do so directly from the user."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]