Read this: In China, the war is officially called the "War to Resist U.S. Aggression and Aid Korea" (simplified Chinese: ; traditional Chinese: ; pinyin: Kangmeiyuanchao zhanzheng), although the term "Chaoxian (Korean) War" (simplified Chinese: ; traditional Chinese: ; pinyin: Chaoxian zhanzheng) is also used in unofficial contexts, along with the term "Korean Conflict" (simplified Chinese: ; traditional Chinese: ; pinyin: Han Zhan) more commonly used in regions such as Hong Kong and Macau.

When is the term 'Chaoxian War' used as a name for the Korean War?
What is the answer? (If it cannot be answered, return "unanswerable")
unofficial contexts